CVE-2022-36456 Command injection in n/a

High 7.8 Published 25 Aug 2022 Updated 3 Aug 2024

Attackers can execute arbitrary commands on TOTOLink A720R routers via the username parameter in the cstecgi.cgi script.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-36456?

CVE-2022-36456 is a high-severity command injection vulnerability in n/a, published on 25 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

TOTOLink A720R V4.1.5cu.532_B20210610 was discovered to contain a command injection vulnerability via the username parameter in /cstecgi.cgi.

Weakness: CWE-78

Which versions are affected by CVE-2022-36456?

It affects 1 product.

Products include Totolink A720r Firmware.

How do I fix CVE-2022-36456?

No fix has been published for CVE-2022-36456 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2022-36456 being exploited?

There is no known exploitation of CVE-2022-36456 in the wild and no public exploit code.

Sources

Also known as GHSA-5fjx-chfh-jww8.