CVE-2026-4620 Command injection in Aterm WX1500HP
Attackers can execute arbitrary OS commands on NEC Aterm routers via the network, potentially compromising the device.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-4620?
CVE-2026-4620 is a high-severity command injection vulnerability in NEC Platforms, Ltd. Aterm WX1500HP, published on 27 Mar 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
OS Command Injection vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to execute arbitrary OS commands via network.
Weakness: CWE-78
Which versions are affected by CVE-2026-4620?
It affects 2 products.
Products include Nec Aterm Wx1500hp Firmware, Nec Aterm Wx3600hp Firmware.
How do I fix CVE-2026-4620?
No fix has been published for CVE-2026-4620 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-2026-4620 being exploited?
There is no known exploitation of CVE-2026-4620 in the wild and no public exploit code.
Sources
Also known as GHSA-w9fh-jrgw-339x.