CVE-2026-102169
Received
Received - Intake
Captive Portal DoS in Arista Wi-Fi Access Points
Vulnerability report for CVE-2026-102169, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-10-06
Last updated on: 2026-10-06
Assigner: Arista Networks, Inc.
Description
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.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Arista | Networks | Wi-Fi Access Points 22.0.0 |
| Arista | Networks | Wi-Fi Access Points 21.3.0 |
| Arista | Networks | Wi-Fi Access Points 1.0.0 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-476 | The product dereferences a pointer that it expects to be valid but is NULL. |
