CVE-2022-38565 Memory corruption in n/a

High 7.5 Published 28 Aug 2022 Updated 3 Aug 2024

Attackers can cause a Denial of Service on Tenda M3 routers via a heap buffer overflow in the formEmailTest function.

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-2022-38565?

CVE-2022-38565 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 formEmailTest. This vulnerability allows attackers to cause a Denial of Service (DoS) via the mailpwd parameter.

Weakness: CWE-787

Which versions are affected by CVE-2022-38565?

It affects 1 product.

Products include Tenda M3 Firmware.

How do I fix CVE-2022-38565?

No fix has been published for CVE-2022-38565 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-2022-38565 being exploited?

There is no known exploitation of CVE-2022-38565 in the wild and no public exploit code.

Sources

Also known as GHSA-rvcg-94w7-856c.