CVE-2026-102168

Medium

Description

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. This results in a temporary denial of service until the service automatically restarts. Remote code execution is not possible.

SeverityMedium

CVSS6.5

Exploit probability—

ProductWi-Fi Access Points

PublishedOct 6, 2026

First seenOct 6, 2026

Weakness typeCWE-191CWE-191

How to fix

Update

Arista Networks Wi-Fi Access Points21.3.0 or later

Vendor advisories

arista.com/en/support/advisories-notices/security-advisory/24810-security-advisory-0194

Affected products

Product	Affected versions	Fixed in
Arista Networks Wi-Fi Access Points	22.0.0 ≤ v ≤ 22.0.1F-32, 21.3.0 ≤ v ≤ 21.3.0M-13, 1.0.0 ≤ v < 21.3.0	21.3.0

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