CVE-2026-85222 D-Link DNS-340L Add-On Center addon_center.cgi os command injection
Remote attackers can execute arbitrary OS commands on D-Link DNS-340L devices via the Add-On Center CGI script.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-85222?
CVE-2026-85222 is a critical command injection vulnerability in D-Link DNS-340L, published on 3 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability has been found in D-Link DNS-340L 1.01B04. Affected by this vulnerability is an unknown functionality of the file /cgi-bin/addon_center.cgi of the component Add-On Center. Such manipulation of the argument f_name/f_url/f_flag/f_login_user leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2026-85222?
How do I fix CVE-2026-85222?
No fix has been published for CVE-2026-85222 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-2026-85222 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-85222 exists.
Sources
Also known as GHSA-wxm7-78m8-pmch.