Vulnerability · Published Oct 6, 2026 · Assigned by Arista

CVE-2026-102165Security Advisory 0198

High 7.5

In plain English

A high-severity stack buffer overflow 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 0.2% (higher than 16% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.2%top 84.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

On affected Arista Wi-Fi access points, an unauthenticated attacker with network access to the capture service can send a crafted packet to cause the service to crash or potentially achieve remote code execution. This exploit requires an uncommonly used non-default streaming mode.

Affected products (as reported)

VendorProductVersions
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-121 · Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References