CVE-2026-4622

| EUVD-2026-16591 HIGH
2026-03-27 NEC
7.1
CVSS 4.0
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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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
A
Scope
X

Lifecycle Timeline

3
Analysis Generated
Mar 27, 2026 - 12:15 vuln.today
EUVD ID Assigned
Mar 27, 2026 - 12:15 euvd
EUVD-2026-16591
CVE Published
Mar 27, 2026 - 11:53 nvd
HIGH 7.1

Tags

Command Injection

Description

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

Analysis

Multiple NEC Aterm wireless router models are vulnerable to OS command injection that enables network-based attackers with high privileges and user interaction to execute arbitrary operating system commands. The vulnerability carries a CVSS 4.0 score of 7.1 and affects at least eight router models in the Aterm series including WG2600HS, WF1200CR, WG1200CR, WG2600HP4, WG2600HM4, WG2600HS2, WX3000HP, and WX3000HP2. …

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Remediation

Within 24 hours: inventory all NEC Aterm router deployments and document affected models and firmware versions currently in use. Within 7 days: contact NEC for patch availability and timeline; implement network segmentation to restrict administrative access to routers from trusted IP ranges only. …

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Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: +0.3
CVSS: +36
POC: 0

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CVE-2026-4622 vulnerability details – vuln.today
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