CVE-2025-9934 TOTOLINK X5000R cstecgi.cgi sub_410C34 command injection

Medium 5.3 Published 3 Sep 2025 Updated 4 Sep 2025

Remote attackers can execute arbitrary commands on TOTOLINK X5000R routers via a command injection vulnerability in the cstecgi.cgi script.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-9934?

CVE-2025-9934 is a medium-severity command injection vulnerability in Totolink X5000r Firmware, published on 3 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in TOTOLINK X5000R 9.1.0cu.2415_B20250515. This affects the function sub_410C34 of the file /cgi-bin/cstecgi.cgi. Performing manipulation of the argument pid results in command injection. Remote exploitation of the attack is possible. The exploit has been made public and could be used.

Weakness: CWE-77, CWE-74

Which versions are affected by CVE-2025-9934?

It affects 1 product.

Products include Totolink X5000r Firmware.

How do I fix CVE-2025-9934?

No fix has been published for CVE-2025-9934 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-2025-9934 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-9934 exists.

All Totolink X5000r Firmware vulnerabilities

Sources

Also known as GHSA-gp98-6pwv-9cmv.