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ex1200t firmware
PRODUCT· dossier confidence 90%
The EX1200T router firmware contains multiple critical unpatched vulnerabilities including remote code execution and authentication bypass flaws.
PROFILE
Categorynetworking hardwareWhat they doThe EX1200T is a router manufactured by TOTOLINK.
SECURITY POSTURE
The EX1200T firmware has a critical track record of unpatched remote code execution and authentication bypass vulnerabilities in the same firmware version.
Notable failures
- CVE-2021-42875 remote command injection
- CVE-2021-42872 remote code execution
- CVE-2025-51451 authentication bypass
Patterns: repeated unpatched critical RCE and authentication bypass in same firmware version
FAILURE HISTORY · 3
| DATE | EVENT | SEV | SUMMARY |
|---|---|---|---|
| 2022-06-02 | CVE-2021-42875 | critical | TOTOLINK EX1200T V4.1.2cu.5215 contains a remote command injection vulnerability in the function setDiagnosisCfg of the file lib/cste_modules/system.so to control the ipDoamin. |
| 2022-06-02 | CVE-2021-42872 | critical | TOTOLINK EX1200T V4.1.2cu.5215 is affected by a command injection vulnerability that can remotely execute arbitrary code. |
| 2025-08-13 | CVE-2025-51451 | critical | In TOTOLINK EX1200T firmware 4.1.2cu.5215, an attacker can bypass login by sending a specific request through formLoginAuth.htm. |
DOSSIER · dex-RAG synthesis · grounded in our own collection + trusted sourcesbuilt 2026-08-20 19:09:51.348514+00:00