CVE-2025-7093 Belkin F9K1122 webs formSetLanguage stack-based overflow

High 8.7 Published 6 Jul 2025 Updated 7 Jul 2025

Remote attackers can trigger a stack-based buffer overflow in the Belkin F9K1122 router's language setting form, 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-2025-7093?

CVE-2025-7093 is a high-severity memory corruption vulnerability in Belkin F9K1122, published on 6 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 Belkin F9K1122 1.00.33. It has been declared as critical. Affected by this vulnerability is the function formSetLanguage of the file /goform/formSetLanguage of the component webs. The manipulation of the argument webpage leads to stack-based buffer overflow. The attack can be launched 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-121, CWE-119

Which versions are affected by CVE-2025-7093?

It affects 1 product.

Products include Belkin F9k1122 Firmware.

How do I fix CVE-2025-7093?

No fix has been published for CVE-2025-7093 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-2025-7093 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-7093 exists.

Sources

Also known as GHSA-533x-jfm2-x6qj.