CVE-2026-4621

EUVD-2026-16589
Hidden Functionality vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to enable telnet via network.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.6 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 18%
Affected Products (NVD)
VendorProductVersion
necaterm_wg1200hp4_firmware
*
necaterm_wg2600hs_firmware
𝑥
< 1.7.2
necaterm_wf1200cr_firmware
𝑥
< 1.6.0
necaterm_wg1200cr_firmware
𝑥
< 1.5.0
necaterm_wg2600hp4_firmware
𝑥
< 1.4.2
necaterm_wg2600hm4_firmware
𝑥
< 1.4.2
necaterm_wg2600hs2_firmware
𝑥
< 1.3.2
necaterm_wx3000hp_firmware
𝑥
< 2.5.0
necaterm_wx3600hp_firmware
𝑥
≤ 1.5.3
necaterm_w1200ex-ms_firmware
*
necaterm_wg1200hp2_firmware
*
necaterm_wg1900hp_firmware
*
necaterm_wg1200hs2_firmware
*
necaterm_wg1800hp3_firmware
*
necaterm_wg1200hp3_firmware
*
necaterm_wg1900hp2_firmware
*
necaterm_wg1200hs3_firmware
*
necaterm_wg1800hp4_firmware
*
necaterm_wg1200hs4_firmware
*
necaterm_wx1500hp_firmware
𝑥
< 1.4.2
necaterm_wx3000hp2_firmware
𝑥
< 1.3.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://jpn.nec.com/security-info/secinfo/nv26-001_en.html