CVE-2026-4620 PUBLISHED

Assigner: NEC
Reserved: 23.03.2026 Published: 27.03.2026 Updated: 27.03.2026

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

CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 7.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	High	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	High
User Interaction	Active

CVSS 4.0

Vendor	NEC Platforms, Ltd.
Product	Aterm WX1500HP
Versions	Default: unknown Version Before Ver. 1.4.2 is affected

Vendor	NEC Platforms, Ltd.
Product	Aterm WX3600HP
Versions	Default: unknown Version Before Ver. 1.4.2 is affected

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE