CVE-2025-5795 Tenda AC5 AdvSetLanip fromadvsetlanip buffer overflow

High 8.7 Published 6 Jun 2025 Updated 9 Jun 2025

Remote attackers can trigger a buffer overflow in the Tenda AC5 router via the lanMask parameter, potentially leading to code execution or service disruption.

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-2025-5795?

CVE-2025-5795 is a high-severity memory corruption vulnerability in Tenda AC5, published on 6 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability, which was classified as critical, was found in Tenda AC5 1.0/15.03.06.47. This affects the function fromadvsetlanip of the file /goform/AdvSetLanip. The manipulation of the argument lanMask leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Weakness: CWE-120, CWE-119

Which versions are affected by CVE-2025-5795?

It affects 1 product.

Products include Tenda Ac5 Firmware.

How do I fix CVE-2025-5795?

No fix has been published for CVE-2025-5795 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-2025-5795 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5795 exists.

Sources

Also known as GHSA-f35w-jcp9-579f.