Out-of-bounds Read in Arista Networks Wi-Fi Access Points

CVE-2026-102164

On affected Arista access points configured with VXLAN tunnelling and L2-proxy (a specific configuration unique to the VESPA use-case), a wireless client associated to the tunnelled SSID can send a crafted packet, causing the access point to reveal memory contents in network traffic. No write primitive or remote code execution is possible.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

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

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-2026-102164?
CVE-2026-102164 is a low-severity vulnerability in Arista Networks Wi-Fi Access Points, classified under Out-of-bounds Read. CVSS score: 3.1/10. Published 2026-10-06.
How severe is CVE-2026-102164?
Low severity. CVSS v3 base score is 3.1 out of 10.