🛡️ CVE-2026-4620 — aterm-wx1500hp-firmware

🔴 CVSS 9.8 — Critical ✅ No Known Exploit CWE-78 NVD
9.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2026-4620 is classified as CWE-78: OS Command Injection. Untrusted input reaches a shell command without neutralisation, so an attacker can run arbitrary operating system commands.

Affected software

CVE-2026-4620 is recorded against 2 packages.

  • aterm-wx1500hp-firmware (fixed in 1.4.2)
  • aterm-wx3600hp-firmware (fixed in 1.5.3)

Timeline and source

Published on 27 March 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

jpn.nec.com

Details

Severity CRITICAL
CVSS Score 9.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-78
Public Exploit ✅ No
Source NVD
Published 2026-03-27
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
aterm-wx1500hp-firmware — 1.4.2
aterm-wx3600hp-firmware — 1.5.3

Similar Threats

Exploit Protection

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CVE-2026-4620 carries CVSS 9.8 Critical rating. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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