CVE-2023-51101 Memory corruption in n/a

Critical 9.8 Published 26 Dec 2023 Updated 23 Apr 2025

A stack overflow in the Tenda W9 router allows attackers to execute arbitrary code or cause a denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-51101?

CVE-2023-51101 is a critical memory corruption vulnerability in n/a, published on 26 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Tenda W9 V1.0.0.7(4456)_CN was discovered to contain a stack overflow via the function formSetUplinkInfo.

Weakness: CWE-787

Which versions are affected by CVE-2023-51101?

It affects 1 product.

Products include Tenda W9 Firmware.

How do I fix CVE-2023-51101?

No fix has been published for CVE-2023-51101 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-2023-51101 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-51101 exists.

Sources

Also known as GHSA-7g76-j485-5vjx.