ExtremeGuest Essentials Captive Portal Unauthenticated Brute Force
Published Oct 1, 2025
7.6
HIGHCVSS 4.0
EPSS 0.34%
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.
Affected products
-
Affected
- 25.4.0
Default status is the baseline for the product. Each version can override it (patched versions can be marked unaffected).
| Vendor | Product | Default status | Versions |
|---|---|---|---|
| Extreme Networks | ExtremeGuest Essentials | affected | Affected
|
- < 25.5.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
Fixed in 25.5.0 or later.
References (2)
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-32714 Advisory
- https://extreme-networks.my.site.com/ExtrArticleDetail?an=000130289 Vendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-32714 | Advisory | |
| https://extreme-networks.my.site.com/ExtrArticleDetail?an=000130289 | Vendor Advisory |
Change history (0)
No recorded changes yet.
CVE.org / MITRE
CISA Vulnrichment
Red Hat
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GitHub
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