CVE-2026-9385 Totolink A8000RU Web Management cstecgi.cgi setTracerouteCfg os command injection

Critical 9.3 Published Updated

Remote attackers can execute arbitrary OS commands via the setTracerouteCfg function in the Totolink A8000RU web management interface.

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-2026-9385?

CVE-2026-9385 is a critical command injection vulnerability in Totolink A8000RU, published on 24 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. This manipulation of the argument command causes os command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

Weakness: CWE-78, CWE-77

Which versions are affected by CVE-2026-9385?

How do I fix CVE-2026-9385?

No fix has been published for CVE-2026-9385 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-2026-9385 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-9385 exists.

Sources

Also known as GHSA-j8qr-3593-h6q8.

Is CVE-2026-9385 in your software?

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

Check your SBOMs for free