Vulnerability · Published Oct 6, 2026 · Assigned by Arista
CVE-2026-102167Security Advisory 0197
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 14% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.2%top 85.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
On affected Arista Wi-Fi access points, a memory corruption vulnerability exists in access point's wired uplink network endpoints. An unauthenticated attacker can crash the sensor service or potentially achieve remote code execution. Exploitation requires the attacker to be on the same network segment as the access point's wired uplink.
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-121 · Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H