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ELECOM wireless LAN access point CVE-2026-42950

| EUVD-2026-29943 MEDIUM
Improper Check for Unusual or Exceptional Conditions (CWE-754)
2026-05-13 jpcert GHSA-3f7h-8wg4-948w
Information Disclosure
5.1
CVSS 4.0
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CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
A
Scope
X

Lifecycle Timeline

3
CVSS changed
May 13, 2026 - 15:52 NVD
4.3 (MEDIUM) 5.1 (MEDIUM)
Analysis Generated
May 13, 2026 - 13:16 vuln.today
CVE Published
May 13, 2026 - 12:02 nvd
MEDIUM 4.3

DescriptionNVD

ELECOM wireless LAN access point devices do not check if language parameter has an appropriate value. If a user views a malicious page while logged in, the admin page on the user's web browser may become broken.

AnalysisAI

ELECOM wireless LAN access point models WAB-BE187-M, WAB-BE72-M, WAB-BE36-M, and WAB-BE36-S fail to validate the language parameter in administrative pages, allowing remote attackers to break the admin interface for logged-in users via malicious web pages. The vulnerability requires user interaction (viewing a malicious page while authenticated to the access point) and results in denial of service of the administrative interface rather than data exposure or unauthorized access. …

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CVE-2026-42950 vulnerability details – vuln.today
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