Path Traversal in Nec Aterm Wx3600hp

CVE-2026-4619

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

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.003 (23.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Nec Aterm_wx3600hp
Nec Aterm_wx3600hp_firmware
Nec Platforms, Ltd. Aterm Wx3600hp — versions Before Ver. 1.5.3

Weakness classification (CWE)

CWE-22 — Path Traversal

References

psirt-info@cyber.jp.nec.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-4619?: CVE-2026-4619 is a critical-severity vulnerability in Nec Aterm Wx3600hp, classified under Path Traversal. CVSS score: 9.8/10. Published 2026-03-27.
How severe is CVE-2026-4619?: Critical severity. CVSS v3 base score is 9.8 out of 10.