CVE-2025-11355 UTT 1250GW aspChangeChannel strcpy buffer overflow

High 8.7 Published 7 Oct 2025 Updated 7 Oct 2025

Remote attackers can trigger a buffer overflow in the UTT 1250GW router via the aspChangeChannel interface, potentially executing arbitrary code.

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-2025-11355?

CVE-2025-11355 is a high-severity memory corruption vulnerability in UTT 1250GW, published on 7 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability has been found in UTT 1250GW up to v2v3.2.2-200710. Affected by this vulnerability is the function strcpy of the file /goform/aspChangeChannel. The manipulation of the argument pvid leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-120, CWE-119

Which versions are affected by CVE-2025-11355?

It affects 1 product.

Products include Utt 1250gw Firmware.

How do I fix CVE-2025-11355?

No fix has been published for CVE-2025-11355 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-11355 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-11355 exists.

Sources

Also known as GHSA-w9wp-w228-42r8.