Home/CVE/OS Command Injection vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to execute arbitrary OS command
CVE

CVE-2026-4622

OS Command Injection vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to execute arbitrary OS command

OS Command Injection vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to execute arbitrary OS commands via network.

CRITICAL · CVSS 9.8 EPSS 0.00146
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
▤

Affected Products & Versions

9
nec aterm wg2600hs firmware< 1.7.2
nec aterm wf1200cr firmware< 1.6.0
nec aterm wg1200cr firmware< 1.5.0
nec aterm wg2600hp4 firmware< 1.4.2
nec aterm wg2600hm4 firmware< 1.4.2
nec aterm wg2600hs2 firmware< 1.3.2
nec aterm wx3000hp firmware< 2.5.0
nec aterm wx3000hp2 firmware< 1.3.2
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · psirt-info@cyber.jp.nec.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Mar 2026 · 12:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://jpn.nec.com/security-info/secinfo/nv26-001_en.htmlVendor Advisory
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