Vulnerability · Published Oct 6, 2026 · Assigned by Arista
CVE-2026-102168Security Advisory 0194
Medium 6.5
In plain English
A medium-severity security flaw in Wi-Fi Access Points from Arista Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 79.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Arista Networks | Wi-Fi Access Points | 22.0.0 – through 22.0.1F-3221.3.0 – through 21.3.0M-131.0.0 – before 21.3.0 |
Weakness: CWE-191 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H