CVE-2022-40475 Command injection in n/a

Critical 9.8 Published 29 Sep 2022 Updated 21 May 2025

Attackers can execute arbitrary commands on TOTOLINK A860R routers via a command injection vulnerability in the downloadFile.cgi component.

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-2022-40475?

CVE-2022-40475 is a critical command injection vulnerability in n/a, published on 29 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 was discovered to contain a command injection via the component /cgi-bin/downloadFile.cgi.

Weakness: CWE-78

Which versions are affected by CVE-2022-40475?

It affects 1 product.

Products include Totolink A860r Firmware.

How do I fix CVE-2022-40475?

No fix has been published for CVE-2022-40475 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-2022-40475 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-40475 exists.

Sources

Also known as GHSA-4rx4-fcrw-j9p7.