CVE-2022-43103 Memory corruption in n/a

Critical 9.8 Published 3 Nov 2022 Updated 5 May 2025

A stack overflow in the Tenda AC23 router allows attackers to execute arbitrary code or cause a denial of service via the list parameter.

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-2022-43103?

CVE-2022-43103 is a critical memory corruption vulnerability in n/a, published on 3 Nov 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the list parameter in the formSetQosBand function.

Weakness: CWE-787

Which versions are affected by CVE-2022-43103?

It affects 1 product.

Products include Tenda Ac23 Firmware.

How do I fix CVE-2022-43103?

No fix has been published for CVE-2022-43103 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-2022-43103 being exploited?

There is no known exploitation of CVE-2022-43103 in the wild and no public exploit code.

Sources

Also known as GHSA-f4g7-6j5p-f8f9.