CVE-2026-82691 D-Link DNS-320L/DNS-327L/DNS-340L/DNS-345 CGI usb_device.cgi os command injection
Remote attackers can execute arbitrary OS commands on D-Link NAS devices via the usb_device.cgi handler, requiring authentication.
- 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-2026-82691?
CVE-2026-82691 is a critical command injection vulnerability in D-Link DNS-320L, published on 31 Aug 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-320L, DNS-327L, DNS-340L and DNS-345 up to 20260717. Affected by this issue is some unknown functionality of the file /cgi-bin/usb_device.cgi of the component CGI Handler. Such manipulation of the argument f_ups_ip leads to os command injection. The attack may be performed from remote. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2026-82691?
How do I fix CVE-2026-82691?
No fix has been published for CVE-2026-82691 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-2026-82691 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-82691 exists.
Sources
Also known as GHSA-vgqw-w77q-phfq.