CVE-2026-4622 Command injection in Aterm GB1200PE

High 7.1 Published Updated

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-2026-4622?

CVE-2026-4622 is a high-severity command injection vulnerability in NEC Platforms, Ltd. Aterm GB1200PE, 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-2026-4622?

It affects 9 products.

Products include Nec Aterm Gb1200pe Firmware, Nec Aterm Wf1200cr Firmware, Nec Aterm Wg1200cr Firmware, Nec Aterm Wg2600hm4 Firmware, Nec Aterm Wg2600hp4 Firmware, Nec Aterm Wg2600hs2 Firmware and 3 more.

How do I fix CVE-2026-4622?

No fix has been published for CVE-2026-4622 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-2026-4622 being exploited?

There is no known exploitation of CVE-2026-4622 in the wild and no public exploit code.

Sources

Also known as GHSA-3p29-8vc6-r2ph.

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