CVE-2026-102168

Summary

On affected Arista Wi-Fi access points with Captive Portal enabled, an unauthenticated wireless client connected to a Captive-Portal-enabled SSID can crash the portal service with a crafted HTTP request. This results in a temporary denial of service until the service automatically restarts. Remote code execution is not possible.

Affected Software

VendorProductVersion RangeStatus
Arista NetworksWi-Fi Access Points22.0.0 <= 22.0.1F-32affected
Arista NetworksWi-Fi Access Points21.3.0 <= 21.3.0M-13affected
Arista NetworksWi-Fi Access Points1.0.0 < 21.3.0affected

Weaknesses

  • CWE-191: CWE-191 Integer Underflow (Wrap or Wraparound)

Workarounds

If Captive Portal is not required, disabling Captive Portal on all SSIDs eliminates exposure. If a Captive Portal is required, there is no mitigation available.

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References