CVE-2026-75012: TOTOLINK EX1200L Password Configuration cstecgi.cgi setPasswordCfg null pointer dereference

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-17 · updated 2026-10-23
Weakness: CWE-404

Description

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.

Affected products

TOTOLINK EX1200L: 9.3.5u.6146_B20201023

References

https://gist.github.com/wyxstarry/afdc067090575c216a9d2622c3338e5c
https://vuldb.com/cve/CVE-2026-75012
https://vuldb.com/submit/876022
https://vuldb.com/vuln/391272
https://vuldb.com/vuln/391272/cti
https://www.totolink.net/

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