CVE-2025-1895 Tenda TX3 setMacFilterCfg buffer overflow

High 7.1 Published 4 Mar 2025 Updated 4 Mar 2025

Remote attackers can exploit a buffer overflow in the Tenda TX3 router's MAC filter configuration to execute arbitrary code or escalate privileges.

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-2025-1895?

CVE-2025-1895 is a high-severity memory corruption vulnerability in Tenda TX3, published on 4 Mar 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability classified as critical has been found in Tenda TX3 16.03.13.11_multi. This affects an unknown part of the file /goform/setMacFilterCfg. The manipulation of the argument deviceList 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-2025-1895?

It affects 1 product.

Products include Tenda Tx3 Firmware.

How do I fix CVE-2025-1895?

No fix has been published for CVE-2025-1895 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-2025-1895 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-1895 exists.

Sources

Also known as GHSA-vh4r-x4qv-hfq7.