CVE-2026-90704 D-Link DWR-M921 formDiskPartition system command injection
Remote attackers can execute arbitrary commands on D-Link DWR-M921 routers via the formDiskPartition interface due to improper input validation.
- 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-2026-90704?
CVE-2026-90704 is a medium-severity command injection vulnerability in D-Link DWR-M921, published on 14 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability was found in D-Link DWR-M921 1.1.52. The impacted element is the function system of the file /boafrm/formDiskPartition. Performing a manipulation of the argument devicename results in command injection. Remote exploitation of the attack is possible. The exploit has been made public and could be used.
Which versions are affected by CVE-2026-90704?
How do I fix CVE-2026-90704?
No fix has been published for CVE-2026-90704 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-2026-90704 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90704 exists.
Sources
Also known as GHSA-qrw7-pm2g-vw5p.