CVE-2026-4619 Path traversal in Aterm WX3600HP

Medium 6.0 Published Updated

An attacker can overwrite arbitrary files on NEC Aterm WX3600HP routers via network access due to a path traversal vulnerability.

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-2026-4619?

CVE-2026-4619 is a medium-severity path traversal vulnerability in NEC Platforms, Ltd. Aterm WX3600HP, published on 27 Mar 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Path Traversal vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to wtite over any file via network.

Weakness: CWE-22

Which versions are affected by CVE-2026-4619?

It affects 1 product.

Products include Nec Aterm Wx3600hp Firmware.

How do I fix CVE-2026-4619?

No fix has been published for CVE-2026-4619 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-4619 being exploited?

There is no known exploitation of CVE-2026-4619 in the wild and no public exploit code.

Sources

Also known as GHSA-73jj-x3w6-c78g.

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