CVE-2025-8679

ExtremeGuest Essentials Captive Portal Unauthenticated Brute Force

CVSS 7.6 HIGHEPSS 0.3%CWE-307

Vexday Risk Score

21Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 7.6EPSS 0.3%KEV nãoPoC —Patch —

Ciclo de vida

01 out 2025Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

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.

CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Produtos afetados

Extreme Networks · ExtremeGuest Essentials

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Referências

https://extreme-networks.my.site.com/ExtrArticleDetail?an=000130289