CVE-2026-102169

On affected Arista Wi-Fi access points with Captive Portal enabled, an unauthenticated wireless client connected to a captive-portal-enabled SSID can crash the portal service with a crafted HTTP request. The service automatically restarts, but a sustained low-rate attack can cause a persistent denial of service of the captive portal. Remote code execution is not possible.

• CWE-476

• https://www.arista.com/en/support/advisories-notices/security-advisory/24810-security-advisory-0194

Published

Oct 6, 2026

Last Modified

Oct 7, 2026

Status

Awaiting Analysis

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