CVE-2022-37839 Memory corruption in n/a

Critical 9.8 Published 6 Sep 2022 Updated 3 Aug 2024

A buffer overflow in the Cstecgi.cgi component of TOTOLINK A860R routers allows attackers to execute arbitrary code.

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-2022-37839?

CVE-2022-37839 is a critical memory corruption vulnerability in n/a, published on 6 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

TOTOLINK A860R V4.1.2cu.5182_B20201027 is vulnerable to Buffer Overflow via Cstecgi.cgi.

Weakness: CWE-120

Which versions are affected by CVE-2022-37839?

It affects 1 product.

Products include Totolink A860r Firmware.

How do I fix CVE-2022-37839?

No fix has been published for CVE-2022-37839 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-2022-37839 being exploited?

There is no known exploitation of CVE-2022-37839 in the wild and no public exploit code.

Sources

Also known as GHSA-wpp8-3g22-ppjw.