CVE-2023-25234 Memory corruption in n/a

Critical 9.8 Published 27 Feb 2023 Updated 10 Mar 2025

A buffer overflow in the Tenda AC500 router allows attackers to execute arbitrary code or cause a denial of service via crafted parameters.

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-2023-25234?

CVE-2023-25234 is a critical memory corruption vulnerability in n/a, published on 27 Feb 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Tenda AC500 V2.0.1.9(1307) is vulnerable to Buffer Overflow in function fromAddressNat via parameters entrys and mitInterface.

Weakness: CWE-787

Which versions are affected by CVE-2023-25234?

It affects 1 product.

Products include Tenda Ac500 Firmware.

How do I fix CVE-2023-25234?

No fix has been published for CVE-2023-25234 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-2023-25234 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-25234 exists.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-h557-fcr5-5w53.