Vulnerability in Arista Networks Wi-Fi Access Points

[ Description ]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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund6 Oct 2026WID-SEC-2026-3775

  Arista WiFi Access Point: Multiple vulnerabilities Translated from German

  CVE-2026-102163CVE-2026-102169CVE-2026-102167+4 more CVEs

[ References ]References

• www.arista.com/en/support/advisories-notices/security-advisory/24812-security-advisory-…