CVE-2026-40621

Authentication Bypass on Elecom Wireless LAN Access Points Allowing Unauthenticated Control

Published May 13, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Description
ELECOM wireless LAN access point devices do not require authentication to access some specific URLs. The affected product may be operated without authentication.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Elecom Co.,ltd.
Elecom Co.,ltd. wrc-be65qsd-b
Elecom Co.,ltd. wrc-be72xsd-b
Elecom Co.,ltd. wrc-be72xsd-ba
Elecom Co.,ltd. wrc-w702-b
Vendors & Products Elecom Co.,ltd.
Elecom Co.,ltd. wrc-be65qsd-b
Elecom Co.,ltd. wrc-be72xsd-b
Elecom Co.,ltd. wrc-be72xsd-ba
Elecom Co.,ltd. wrc-w702-b
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Authentication Bypass on Elecom Wireless LAN Access Points Allowing Unauthenticated Control
Type Values Removed Values Added
Description ELECOM wireless LAN access point devices do not require authentication to access some specific URLs. The affected product may be operated without authentication.
Weaknesses CWE-288
References
Metrics cvssV3_0

{'score': 9.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
jpcert
Published
Updated
May 13, 2026, 3:07 PM
Reserved
May 7, 2026, 5:46 AM
Status
Deferred
Published
May 13, 2026, 1:16 PM
Modified
Oct 26, 2026, 2:10 PM