CVE-2026-40621

CRITICAL 9.3CVE-2026-40621 · Published 13/05/2026 · updated 26/10/2026

In short

CVE-2026-40621 is a CRITICAL (CVSS 9.3) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.49%, higher than 42.2% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

Description

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

References

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

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