CVE-2026-8652 Command injection in Aterm CM51FD
An attacker with admin access can execute arbitrary OS commands on NEC Aterm routers via the web console.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-8652?
CVE-2026-8652 is a high-severity command injection vulnerability in NEC Platforms, Ltd. Aterm CM51FD, published on 25 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An OS Command Injection vulnerability exists in Aterm. If a malicious third person gains administrator access to the product’s web console, they may be able to execute arbitrary OS commands via adjacent network.
Weakness: CWE-78
Which versions are affected by CVE-2026-8652?
How do I fix CVE-2026-8652?
No fix has been published for CVE-2026-8652 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-2026-8652 being exploited?
There is no known exploitation of CVE-2026-8652 in the wild and no public exploit code.
Sources
Also known as GHSA-2ww7-hqm8-2qhf.