CVE-2026-102169
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. 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.
SeverityMedium
CVSS6.5
Exploit probability—
ProductWi-Fi Access Points
PublishedOct 6, 2026
First seenOct 6, 2026
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- Arista Networks Wi-Fi Access Points21.3.0 or later
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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