NULL pointer dereference in Arista Networks Wi-Fi Access Points

CVE-2026-102169

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-102169?
CVE-2026-102169 is a medium-severity vulnerability in Arista Networks Wi-Fi Access Points, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2026-10-06.
How severe is CVE-2026-102169?
Medium severity. CVSS v3 base score is 6.5 out of 10.