CVE-2025-7613 TOTOLINK T6 HTTP POST Request cstecgi.cgi CloudSrvVersionCheck command injection

Medium 5.3 Published 14 Jul 2025 Updated 14 Jul 2025

Remote attackers can execute arbitrary commands on TOTOLINK T6 routers via the CloudSrvVersionCheck function in cstecgi.cgi.

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-2025-7613?

CVE-2025-7613 is a medium-severity command injection vulnerability in TOTOLINK T6, published on 14 Jul 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 T6 4.1.5cu.748. It has been rated as critical. This issue affects the function CloudSrvVersionCheck of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument ip leads to command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Weakness: CWE-77, CWE-74

Which versions are affected by CVE-2025-7613?

It affects 1 product.

Products include Totolink T6 Firmware.

How do I fix CVE-2025-7613?

No fix has been published for CVE-2025-7613 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-2025-7613 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-7613 exists.

Sources

Also known as GHSA-93qm-7rvr-h5vr.