What’s Vulnerable › Vulnerabilities
CVE-2026-102169: Security Advisory 0194
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-06 · updated 2026-10-07
- Weakness: CWE-476
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. 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.
Affected products
- Arista Networks Wi-Fi Access Points: from 22.0.0 through 22.0.1F-32; from 21.3.0 through 21.3.0M-13; from 1.0.0 before 21.3.0 — fixed in 21.3.0
How to fix
Upgrade to a fixed version: Arista Networks Wi-Fi Access Points 21.3.0. Check the vendor advisory for mitigations.
References
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