CVE-2022-26210 Command injection in n/a

Critical 9.8 Published 15 Mar 2022 Updated 3 Aug 2024

Attackers can execute arbitrary commands on Totolink routers via a crafted request to the firmware upgrade 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-2022-26210?

CVE-2022-26210 is a critical command injection vulnerability in n/a, published on 15 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Totolink A830R V5.9c.4729_B20191112, A3100R V4.1.2cu.5050_B20200504, A950RG V4.1.2cu.5161_B20200903, A800R V4.1.2cu.5137_B20200730, A3000RU V5.9c.5185_B20201128, and A810R V4.1.2cu.5182_B20201026 were discovered to contain a command injection vulnerability in the function setUpgradeFW, via the FileName parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

Weakness: CWE-78

Which versions are affected by CVE-2022-26210?

It affects 6 products.

Products include Totolink A3000ru Firmware, Totolink A3100r Firmware, Totolink A800r Firmware, Totolink A810r Firmware, Totolink A830r Firmware, Totolink A950rg Firmware.

How do I fix CVE-2022-26210?

No fix has been published for CVE-2022-26210 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-2022-26210 being exploited?

There is no known exploitation of CVE-2022-26210 in the wild and no public exploit code.

Sources

Also known as GHSA-c3h9-pm7m-68qp.