CVE-2026-4621

| EUVD-2026-16589 MEDIUM
2026-03-27 NEC
6.3
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/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
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
Analysis Generated
Mar 27, 2026 - 12:15 vuln.today
EUVD ID Assigned
Mar 27, 2026 - 12:15 euvd
EUVD-2026-16589
CVE Published
Mar 27, 2026 - 11:52 nvd
MEDIUM 6.3

Tags

Information Disclosure

Description

Hidden Functionality vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to enable telnet via network.

Analysis

NEC Aterm wireless router series (including WG1200HP2, WG1900HP, WG1800HP3, WG1200HP4, and nine other models) contain hidden telnet functionality that can be remotely enabled by unauthenticated network attackers via unspecified means, classified as CWE-912 (Hidden Functionality). The vulnerability carries a CVSS 6.3 score reflecting network-accessible attack vector with high complexity requirements and limited confidentiality/integrity impact. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: 0

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CVE-2026-4621 vulnerability details – vuln.today
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