Description

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

INFO

Published Date :

2026-03-27T11:52:48.222Z

Last Modified :

2026-04-10T04:13:59.147Z

Source :

NEC
AFFECTED PRODUCTS

The following products are affected by CVE-2026-4621 vulnerability.

Vendors Products
Nec
  • Aterm W1200ex(-ms)
  • Aterm W1200ex-ms
  • Aterm W1200ex-ms Firmware
  • Aterm Wf1200cr
  • Aterm Wf1200cr Firmware
  • Aterm Wg1200cr
  • Aterm Wg1200cr Firmware
  • Aterm Wg1200hp2
  • Aterm Wg1200hp2 Firmware
  • Aterm Wg1200hp3
  • Aterm Wg1200hp3 Firmware
  • Aterm Wg1200hp4
  • Aterm Wg1200hp4 Firmware
  • Aterm Wg1200hs2
  • Aterm Wg1200hs2 Firmware
  • Aterm Wg1200hs3
  • Aterm Wg1200hs3 Firmware
  • Aterm Wg1200hs4
  • Aterm Wg1200hs4 Firmware
  • Aterm Wg1800hp3
  • Aterm Wg1800hp3 Firmware
  • Aterm Wg1800hp4
  • Aterm Wg1800hp4 Firmware
  • Aterm Wg1900hp
  • Aterm Wg1900hp2
  • Aterm Wg1900hp2 Firmware
  • Aterm Wg1900hp Firmware
  • Aterm Wg2600hm4
  • Aterm Wg2600hm4 Firmware
  • Aterm Wg2600hp4
  • Aterm Wg2600hp4 Firmware
  • Aterm Wg2600hs
  • Aterm Wg2600hs2
  • Aterm Wg2600hs2 Firmware
  • Aterm Wg2600hs Firmware
  • Aterm Wx1500hp
  • Aterm Wx1500hp Firmware
  • Aterm Wx3000hp
  • Aterm Wx3000hp2
  • Aterm Wx3000hp2 Firmware
  • Aterm Wx3000hp Firmware
  • Aterm Wx3600hp
  • Aterm Wx3600hp Firmware
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-4621.

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact