CVE-2026-40621

CRITICAL EPSS 38.5%

Published May 13, 20261mo ago · Modified Jun 17, 20262w ago

9.3 CVSS 4.0

Critical

Published May 13, 2026 1mo ago

Last Modified Jun 17, 2026 2w ago

Description

ELECOM wireless LAN access point devices do not require authentication to access some specific URLs. The affected product may be operated without authentication.

CVSS Details

Base Score

9.3

Exploitability

—

Impact

—

Vector string

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/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 None

Scope X

Threat Intelligence

EPSS Exploit Probability

38.5% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-288

References 2

jvn.jp https://jvn.jp/en/jp/JVN03037325/
elecom.co.jp https://www.elecom.co.jp/news/security/20260512-01/

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.