CVE-2025-4897 Tenda A15 HTTP POST Request multimodalAdd buffer overflow

High 8.7 Published 18 May 2025 Updated 19 May 2025

Remote attackers can trigger a buffer overflow in the Tenda A15 router's HTTP handler, 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-2025-4897?

CVE-2025-4897 is a high-severity memory corruption vulnerability in Tenda A15, published on 18 May 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in Tenda A15 15.13.07.09/15.13.07.13. It has been classified as critical. This affects an unknown part of the file /goform/multimodalAdd of the component HTTP POST Request Handler. The manipulation 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-2025-4897?

It affects 1 product.

Products include Tenda A15 Firmware.

How do I fix CVE-2025-4897?

No fix has been published for CVE-2025-4897 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-2025-4897 being exploited?

There is no known exploitation of CVE-2025-4897 in the wild and no public exploit code.

Sources

Also known as GHSA-xg7m-xvh7-g9px.