CVE-2026-4621 - Vulnerability Details - OpenCVE

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

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

References

Link	Providers
https://jpn.nec.com/security-info/secinfo/nv26-001_en.html

History

Fri, 27 Mar 2026 13:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Fri, 27 Mar 2026 12:15:00 +0000

Type	Values Removed	Values Added
Description		Hidden Functionality vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to enable telnet via network.
Weaknesses		CWE-912
References		https://jpn.nec.com/security-info/secinfo/nv26-001_en.html
Metrics		cvssV4_0 `{'score': 6.3, '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'}`

MITRE

Status: PUBLISHED

Assigner: NEC

Published: 2026-03-27T11:52:48.222Z

Updated: 2026-03-27T12:57:32.214Z

Reserved: 2026-03-23T06:04:48.670Z

Link: CVE-2026-4621

Vulnrichment

Updated: 2026-03-27T12:57:28.056Z

NVD

Status : Received

Published: 2026-03-27T12:16:20.910

Modified: 2026-03-27T12:16:20.910

Link: CVE-2026-4621

Redhat

No data.

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