9.8
CRITICAL CVSS 3.0
CVE-2026-40621
ELECOM Wireless LAN Access Point Unauthenticated Access Vulnerability
Description

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

INFO

Published Date :

May 13, 2026, 12:01 p.m.

Last Modified :

May 13, 2026, 12:01 p.m.

Remotely Exploit :

No

Source :

jpcert
Affected Products

The following products are affected by CVE-2026-40621 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.0 CRITICAL ede6fdc4-6654-4307-a26d-3331c018e2ce
CVSS 4.0 CRITICAL ede6fdc4-6654-4307-a26d-3331c018e2ce
Solution
Enable authentication on affected access points to prevent unauthorized access.
  • Ensure authentication is enabled on all access points.
  • Apply vendor updates to address the authentication bypass.
  • Restrict access to specific URLs.
  • Regularly audit access logs for suspicious activity.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-40621 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.