Totolink EX1200L vulnerabilities

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Published CVEs affecting Totolink EX1200L: 3 record(s), with affected versions and fixes.

CVE-2026-75013 Medium · 6.5 CWE-404 Aug 17, 2026

TOTOLINK EX1200L cstecgi.cgi setWizardCfg null pointer dereference

A vulnerability was detected in TOTOLINK EX1200L 9.3.5u.6146_B20201023. This affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi. The manipulation results in null pointer dereference. The attack can be launched remotely. The exploit is now public and may be used.

CVE-2026-75012 Medium · 6.5 CWE-404 Aug 17, 2026

TOTOLINK EX1200L Password Configuration cstecgi.cgi setPasswordCfg null pointer dereference

A security vulnerability has been detected in TOTOLINK EX1200L 9.3.5u.6146_B20201023. Affected by this issue is the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component Password Configuration Handler. The manipulation leads to null pointer dereference. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used.

CVE-2026-44089 Critical · 9.4 CWE-121 Jun 23, 2026

Totolink EX1200L Stack-based Buffer Overflow in Login Handler (CVE-2026-44089)

Totolink EX1200L router is vulnerable to Buffer Overflow in the login functionality in cgi-bin/cstecgi.cgi endpoint. This vulnerability could be exploited to cause the program to crash and to execute code remotely. This allows the attacker to perform actions as root including reading and editing data, as well as bricking the router. Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 9.3.5u.6146_B20201023 but may also affect other versions.