PT-2026-28643 · Nec Platforms · Aterm Series

Taizoh Tsukamoto · Published 2026-03-27 · Updated 2026-04-03 · CVE-2026-4309

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions NEC Platforms, Ltd. Aterm Series (affected versions not specified)

Description A missing authorization issue exists in NEC Platforms, Ltd. Aterm Series. This allows an attacker to obtain specific device information and modify settings through a network connection.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2026-4309

Affected Products

Aterm Series

References · 4

• https://jpn.nec.com/security-info/secinfo/nv26-001_en.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-4309 · Security Note
• https://twitter.com/syedaquib77/status/2039909445665251584 · Twitter Post
• https://twitter.com/CVEnew/status/2037513348888113468 · Twitter Post