| Title | TOTOLINK A800R V4.1.2cu.5137_B20200730 Command Injection |
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| Description | The TOTOLINK A800R router running firmware V4.1.2cu.5137_B20200730, a command injection flaw in the setDiagnosisCfg interface located within /lib/cste_modules/system.so. The vulnerability arises from insufficient sanitization of the ipDoamin parameter, which is concatenated into a shell command and executed via system(). The parameter passes through a Validity_check blocklist that fails to reject the newline character "\n", enabling remote attackers to inject and execute arbitrary operating-system commands. |
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| Source | ⚠️ https://github.com/moiz-2x/no-brain/blob/main/01_setDiagnosisCfg.md |
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| User | QuangDuy (UID 100061) |
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| Submission | 07/23/2026 10:45 (2 months ago) |
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| Moderation | 09/06/2026 14:01 (2 months later) |
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| Status | Duplicate |
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| VulDB entry | 195146 [TOTOLINK A800R/A810R/A830R/A950RG/A3000RU/A3100R setDiagnosisCfg ipDoamin command injection] |
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| Points | 0 |
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