CVE-2022-26258 D-Link DIR-820L Remote Code Execution

Exploited in the wild Critical 9.8 Published 27 Mar 2022 Updated 9 Jul 2026

Remote attackers can execute arbitrary commands on D-Link DIR-820L routers via a crafted HTTP POST request.

Exploited in the wild: Since 8 Sep 2022
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-26258?

CVE-2022-26258 is a critical command injection vulnerability in n/a, published on 27 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

D-Link DIR-820L 1.05B03 was discovered to contain remote command execution (RCE) vulnerability via HTTP POST to get set ccp.

Weakness: CWE-78

Which versions are affected by CVE-2022-26258?

It affects 1 product.

Products include Dlink Dir-820l Firmware.

How do I fix CVE-2022-26258?

No fix has been published for CVE-2022-26258 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 29 Sep 2022.

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

Is CVE-2022-26258 being exploited?

Yes. Attackers have exploited CVE-2022-26258 in the wild since at least 8 Sep 2022.

Sources

Also known as GHSA-qf97-3r3x-x56v.