CVE-2025-8679

CRITICAL

9.8

Description

In ExtremeGuest Essentials before 25.5.0, captive-portal may permit unauthorized access via manual brute-force procedure. Under certain ExtremeGuest Essentials captive-portal SSID configurations, repeated manual login attempts may allow an unauthenticated device to be marked as authenticated and obtain network access. Client360 logs may display the client MAC as the username despite no MAC-authentication being enabled.

Details CVE

Score CVSS v3.19.8

SeveriteCRITICAL

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie10/1/2025

Derniere modification1/15/2026

Sourcenvd

Observations honeypot0

Produits affectes

extremenetworks:extremeguest_essentials

Faiblesses (CWE)

CWE-307

References

https://extreme-networks.my.site.com/ExtrArticleDetail?an=000130289(1c053176-eef3-4d6a-ae0b-24728c86587b)

Correlations IOC

Aucune correlation enregistree

This product uses data from the NVD API but is not endorsed or certified by the NVD.