CVE-2025-4368 Tenda AC8 MtuSetMacWan formGetRouterStatus buffer overflow

High 8.7 Published Updated

Remote attackers can trigger a buffer overflow in the Tenda AC8 router via the shareSpeed 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-2025-4368?

CVE-2025-4368 is a high-severity memory corruption vulnerability in Tenda Ac8 Firmware, published on 6 May 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 AC8 16.03.34.06. Affected is the function formGetRouterStatus of the file /goform/MtuSetMacWan. The manipulation of the argument shareSpeed leads to buffer overflow. It is possible to launch 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-2025-4368?

It affects 1 product.

Products include Tenda Ac8 Firmware.

How do I fix CVE-2025-4368?

No fix has been published for CVE-2025-4368 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-2025-4368 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-4368 exists.

All Tenda Ac8 Firmware vulnerabilities

Sources

Also known as GHSA-4rpv-g3qv-3mfr.

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