CVE-2026-4620 — CRITICAL (9.8)

Q: What is CVE-2026-4620?

CVE-2026-4620 is a vulnerability with a CVSS score of 9.8 (CRITICAL). OS Command Injection vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to execute arbitrary OS commands via network.

Q: How severe is CVE-2026-4620?

CVE-2026-4620 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-4620?

Check the references section above for vendor advisories and patch information. Affected products include: Nec Aterm Wx3600Hp Firmware, Nec Aterm Wx3600Hp, Nec Aterm Wx1500Hp Firmware, Nec Aterm Wx1500Hp.

Vulnerability Description

OS Command Injection vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to execute arbitrary OS commands via network.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Nec	Aterm Wx3600Hp Firmware	< 1.5.3
Nec	Aterm Wx3600Hp	-
Nec	Aterm Wx1500Hp Firmware	< 1.4.2
Nec	Aterm Wx1500Hp	-

Related Weaknesses (CWE)

CWE-78

References

https://jpn.nec.com/security-info/secinfo/nv26-001_en.htmlVendor Advisory

FAQ

What is CVE-2026-4620?

CVE-2026-4620 is a vulnerability with a CVSS score of 9.8 (CRITICAL). OS Command Injection vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to execute arbitrary OS commands via network.

How severe is CVE-2026-4620?

CVE-2026-4620 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-4620?

Check the references section above for vendor advisories and patch information. Affected products include: Nec Aterm Wx3600Hp Firmware, Nec Aterm Wx3600Hp, Nec Aterm Wx1500Hp Firmware, Nec Aterm Wx1500Hp.