CVE-2025-9603 Telesquare TLR-2005KSH internet.cgi command injection

Medium 5.3 Published 29 Aug 2025 Updated 29 Aug 2025

Remote attackers can execute arbitrary commands via the Hostname parameter in internet.cgi on Telesquare TLR-2005KSH devices.

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-2025-9603?

CVE-2025-9603 is a medium-severity command injection vulnerability in Telesquare TLR-2005KSH, published on 29 Aug 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was determined in Telesquare TLR-2005KSH 1.2.4. The affected element is an unknown function of the file /cgi-bin/internet.cgi?Command=lanCfg. Executing manipulation of the argument Hostname can lead to command injection. The attack may be performed from a remote location. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-77, CWE-74

Which versions are affected by CVE-2025-9603?

It affects 1 product.

Products include Telesquare Tlr-2005ksh Firmware.

How do I fix CVE-2025-9603?

No fix has been published for CVE-2025-9603 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-2025-9603 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-9603 exists.

Sources

Also known as GHSA-586x-47fh-9m4v.