---
id: CVE-2026-102162
title: >-
  On affected Arista Wi-Fi access points with captive portal, or application
  firewall enabled on at least one SSID, a vulnerability in the wireless gateway
  service could allow an unauthenticated network-adjacent attacker to send a
  crafted …
summary: >-
  On affected Arista Wi-Fi access points with captive portal, or application
  firewall enabled on at least one SSID, a vulnerability in the wireless gateway
  service could allow an unauthenticated network-adjacent attacker to send a
  crafted …
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-121
vendor: Arista Networks
product: Wi-Fi Access Points
affected:
  - wi-fi_access_points >= 22.0.0 <= 22.0.1F-32
  - wi-fi_access_points >= 21.3.0 <= 21.3.0M-13
  - wi-fi_access_points >= 1.0.0 < 21.3.0
published: '2026-10-06'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T21:17:03.117'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-102162'
references:
  - url: >-
      https://www.arista.com/en/support/advisories-notices/security-advisory/24809-security-advisory-0193
    label: psirt@arista.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-06T20:05:56.170458Z'
ingestedAt: '2026-10-06T20:16:42.484Z'
---

## Overview

On affected Arista Wi-Fi access points with captive portal, or application firewall enabled on at least one SSID, a vulnerability in the wireless gateway service could allow an unauthenticated network-adjacent attacker to send a crafted packet that triggers a stack overflow, resulting in a denial-of-service condition or potentially execute arbitrary code on the device. The wireless gateway service is automatically restarted after a crash, allowing repeated exploitation attempts.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.