Vulnerability · Published Oct 6, 2026 · Assigned by Arista
CVE-2026-102164Security Advisory 0196
Low 3.1
In plain English
A low-severity out-of-bounds read 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 9% of all known vulnerabilities).
Severity (CVSS 3.1)3.1Low
Exploit odds (30 days)0.2%top 91.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| 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-125 · Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N