CVE-2026-4309 | BDVDB-2026-323306 Detail

NEC PlatformsAterm W1200EX(-MS)

Description#

Missing Authorization vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to get a specific device information and change the settings via network.

Impact#

Per CVSS v4.0: confidentiality impact low, integrity impact low, availability impact low. Attack vector: network.

Weaknesses#

CWE-862 Missing Authorization

References#

https://jpn.nec.com/security-info/secinfo/nv26-001_en.html

Exploit#

No public exploit known

History#

Version 12026-03-27Record published in the CVE List.
Version 22026-04-10Most recent update recorded in the CVE List.

Published

Published: 2026-03-27
Last modified: 2026-04-10

Vendor information

Vendor: NEC Platforms
Product: Aterm W1200EX(-MS)

All NEC Platforms vulnerabilities

Score

6.3 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 3.7.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Missing Authorization

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
All versions
Fixed
Not stated

Scoring System

CVSS v4.0

6.3 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Attack Requirements	None
Privileges Required	None
User Interaction	None
Vulnerable System Confidentiality	Low
Vulnerable System Integrity	Low
Vulnerable System Availability	Low
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).