CVE-2022-38562 Memory corruption in n/a

High 7.5 Published 28 Aug 2022 Updated 3 Aug 2024

A heap buffer overflow in the Tenda M3 router allows attackers to cause a Denial of Service via the lan 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-2022-38562?

CVE-2022-38562 is a high-severity memory corruption vulnerability in n/a, published on 28 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Tenda M3 V1.0.0.12(4856) was discovered to contain a heap buffer overflow vulnerability in the function formSetFixTools. This vulnerability allows attackers to cause a Denial of Service (DoS) via the lan parameter.

Weakness: CWE-787

Which versions are affected by CVE-2022-38562?

It affects 1 product.

Products include Tenda M3 Firmware.

How do I fix CVE-2022-38562?

No fix has been published for CVE-2022-38562 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-2022-38562 being exploited?

There is no known exploitation of CVE-2022-38562 in the wild and no public exploit code.

Sources

Also known as GHSA-h43m-x5j9-v357.