CVE-2023-44021 Memory corruption in n/a

Critical 9.8 Published 27 Sep 2023 Updated 24 Sep 2024

A stack overflow in the Tenda AC10U 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-2023-44021?

CVE-2023-44021 is a critical memory corruption vulnerability in n/a, published on 27 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Tenda AC10U v1.0 US_AC10UV1.0RTL_V15.03.06.49_multi_TDE01 was discovered to contain a stack overflow via the formSetClientState function.

Weakness: CWE-119

Which versions are affected by CVE-2023-44021?

It affects 1 product.

Products include Tendacn Ac10u Firmware.

How do I fix CVE-2023-44021?

No fix has been published for CVE-2023-44021 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-2023-44021 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-44021 exists.

Sources

Also known as GHSA-gwrw-m58w-gw67.