CVE-2026-6195 Totolink A7100RU CGI cstecgi.cgi setPasswordCfg os command injection

Critical 9.3 Published Updated

Remote attackers can execute arbitrary OS commands via the admpass parameter in the setPasswordCfg function of the Totolink A7100RU router.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-6195?

CVE-2026-6195 is a critical command injection vulnerability in Totolink A7100RU, published on 13 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument admpass leads to os command injection. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.

Weakness: CWE-78, CWE-77

Which versions are affected by CVE-2026-6195?

How do I fix CVE-2026-6195?

No fix has been published for CVE-2026-6195 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-6195 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-6195 exists.

Sources

Also known as GHSA-pjj5-xh8h-6xp3.

Is CVE-2026-6195 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free