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

Mon, 20 Apr 2026 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Nec aterm W1200ex-ms
Nec aterm W1200ex-ms Firmware
Nec aterm Wf1200cr Firmware
Nec aterm Wg1200cr Firmware
Nec aterm Wg1200hp2 Firmware
Nec aterm Wg1200hp3 Firmware
Nec aterm Wg1200hp4 Firmware
Nec aterm Wg1200hs2 Firmware
Nec aterm Wg1200hs3 Firmware
Nec aterm Wg1200hs4 Firmware
Nec aterm Wg1800hp3 Firmware
Nec aterm Wg1800hp4 Firmware
Nec aterm Wg1900hp2 Firmware
Nec aterm Wg1900hp Firmware
Nec aterm Wg2600hm4 Firmware
Nec aterm Wg2600hp4 Firmware
Nec aterm Wg2600hs2 Firmware
Nec aterm Wg2600hs Firmware
Nec aterm Wx1500hp Firmware
Nec aterm Wx3000hp2 Firmware
Nec aterm Wx3000hp Firmware
Nec aterm Wx3600hp Firmware
CPEs cpe:2.3:h:nec:aterm_w1200ex-ms:-:*:*:*:*:*:*:*
cpe:2.3:h:nec:aterm_wf1200cr:-:*:*:*:*:*:*:*
cpe:2.3:h:nec:aterm_wg1200cr:-:*:*:*:*:*:*:*
cpe:2.3:h:nec:aterm_wg1200hp2:-:*:*:*:*:*:*:*
cpe:2.3:h:nec:aterm_wg1200hp3:-:*:*:*:*:*:*:*
cpe:2.3:h:nec:aterm_wg1200hp4:-:*:*:*:*:*:*:*
cpe:2.3:h:nec:aterm_wg1200hs2:-:*:*:*:*:*:*:*
cpe:2.3:h:nec:aterm_wg1200hs3:-:*:*:*:*:*:*:*
cpe:2.3:h:nec:aterm_wg1200hs4:-:*:*:*:*:*:*:*
cpe:2.3:h:nec:aterm_wg1800hp3:-:*:*:*:*:*:*:*
cpe:2.3:h:nec:aterm_wg1800hp4:-:*:*:*:*:*:*:*
cpe:2.3:h:nec:aterm_wg1900hp2:-:*:*:*:*:*:*:*
cpe:2.3:h:nec:aterm_wg1900hp:-:*:*:*:*:*:*:*
cpe:2.3:h:nec:aterm_wg2600hm4:-:*:*:*:*:*:*:*
cpe:2.3:h:nec:aterm_wg2600hp4:-:*:*:*:*:*:*:*
cpe:2.3:h:nec:aterm_wg2600hs2:-:*:*:*:*:*:*:*
cpe:2.3:h:nec:aterm_wg2600hs:-:*:*:*:*:*:*:*
cpe:2.3:h:nec:aterm_wx1500hp:-:*:*:*:*:*:*:*
cpe:2.3:h:nec:aterm_wx3000hp2:-:*:*:*:*:*:*:*
cpe:2.3:h:nec:aterm_wx3000hp:-:*:*:*:*:*:*:*
cpe:2.3:h:nec:aterm_wx3600hp:-:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_w1200ex-ms_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wf1200cr_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg1200cr_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg1200hp2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg1200hp3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg1200hp4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg1200hs2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg1200hs3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg1200hs4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg1800hp3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg1800hp4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg1900hp2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg1900hp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg2600hm4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg2600hp4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg2600hs2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wg2600hs_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wx1500hp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wx3000hp2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wx3000hp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nec:aterm_wx3600hp_firmware:*:*:*:*:*:*:*:*
Vendors & Products Nec aterm W1200ex-ms
Nec aterm W1200ex-ms Firmware
Nec aterm Wf1200cr Firmware
Nec aterm Wg1200cr Firmware
Nec aterm Wg1200hp2 Firmware
Nec aterm Wg1200hp3 Firmware
Nec aterm Wg1200hp4 Firmware
Nec aterm Wg1200hs2 Firmware
Nec aterm Wg1200hs3 Firmware
Nec aterm Wg1200hs4 Firmware
Nec aterm Wg1800hp3 Firmware
Nec aterm Wg1800hp4 Firmware
Nec aterm Wg1900hp2 Firmware
Nec aterm Wg1900hp Firmware
Nec aterm Wg2600hm4 Firmware
Nec aterm Wg2600hp4 Firmware
Nec aterm Wg2600hs2 Firmware
Nec aterm Wg2600hs Firmware
Nec aterm Wx1500hp Firmware
Nec aterm Wx3000hp2 Firmware
Nec aterm Wx3000hp Firmware
Nec aterm Wx3600hp Firmware
Metrics cvssV3_1

{'score': 5.6, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L'}


Mon, 30 Mar 2026 07:15:00 +0000

Type Values Removed Values Added
First Time appeared Nec
Nec aterm W1200ex(-ms)
Nec aterm Wf1200cr
Nec aterm Wg1200cr
Nec aterm Wg1200hp2
Nec aterm Wg1200hp3
Nec aterm Wg1200hp4
Nec aterm Wg1200hs2
Nec aterm Wg1200hs3
Nec aterm Wg1200hs4
Nec aterm Wg1800hp3
Nec aterm Wg1800hp4
Nec aterm Wg1900hp
Nec aterm Wg1900hp2
Nec aterm Wg2600hm4
Nec aterm Wg2600hp4
Nec aterm Wg2600hs
Nec aterm Wg2600hs2
Nec aterm Wx1500hp
Nec aterm Wx3000hp
Nec aterm Wx3000hp2
Nec aterm Wx3600hp
Vendors & Products Nec
Nec aterm W1200ex(-ms)
Nec aterm Wf1200cr
Nec aterm Wg1200cr
Nec aterm Wg1200hp2
Nec aterm Wg1200hp3
Nec aterm Wg1200hp4
Nec aterm Wg1200hs2
Nec aterm Wg1200hs3
Nec aterm Wg1200hs4
Nec aterm Wg1800hp3
Nec aterm Wg1800hp4
Nec aterm Wg1900hp
Nec aterm Wg1900hp2
Nec aterm Wg2600hm4
Nec aterm Wg2600hp4
Nec aterm Wg2600hs
Nec aterm Wg2600hs2
Nec aterm Wx1500hp
Nec aterm Wx3000hp
Nec aterm Wx3000hp2
Nec aterm Wx3600hp

Fri, 27 Mar 2026 20:30:00 +0000

Type Values Removed Values Added
Title Enable Telnet via Hidden Functionality in NEC Aterm Devices

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
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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: NEC

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

Updated: 2026-04-10T04:13:59.147Z

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

Link: CVE-2026-4621

cve-icon Vulnrichment

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

cve-icon NVD

Status : Analyzed

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

Modified: 2026-04-20T15:20:06.500

Link: CVE-2026-4621

cve-icon Redhat

No data.