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.
Metrics
Affected Vendors & Products
Fixes
Solution
Fixed in 25.5.0 or later.
Workaround
No workaround given by the vendor.
References
History
Wed, 01 Oct 2025 18:15:00 +0000
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Metrics |
ssvc
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Wed, 01 Oct 2025 17:30:00 +0000
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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. | |
Title | ExtremeGuest Essentials Captive Portal Unauthenticated Brute Force | |
Weaknesses | CWE-307 | |
References |
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Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: ExtremeNetworks
Published:
Updated: 2025-10-01T17:29:42.134Z
Reserved: 2025-08-06T18:32:44.244Z
Link: CVE-2025-8679

Updated: 2025-10-01T17:29:38.894Z

Status : Received
Published: 2025-10-01T18:15:46.880
Modified: 2025-10-01T18:15:46.880
Link: CVE-2025-8679

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