CVE-2023-40799 Memory corruption in n/a

Critical 9.8 Published 25 Aug 2023 Updated 2 Oct 2024

A buffer overflow in the Tenda AC23 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-2023-40799?

CVE-2023-40799 is a critical memory corruption vulnerability in n/a, published on 25 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Tenda AC23 Vv16.03.07.45_cn is vulnerable to Buffer Overflow via sub_450A4C function.

Weakness: CWE-787

Which versions are affected by CVE-2023-40799?

It affects 1 product.

Products include Tenda Ac23 Firmware.

How do I fix CVE-2023-40799?

No fix has been published for CVE-2023-40799 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-2023-40799 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-40799 exists.

Sources

Also known as GHSA-gvp3-fxjx-vw4p.