CVE-2026-102169

On affected Arista Wi-Fi access points with Captive Portal enabled, an unauthenticated wireless…

Risk score: 43/100
CVSS: 6.5 v3.1
Exploit chance (30 days): 0.3%
Published: 6 Oct 2026

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What to know

What it is: 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. The service automatically restarts, but a sustained low-rate attack can cause a persistent denial of service of the…
Affected: See advisory
Fix: Apply the vendor's security update; see the linked advisory.
Exploitation: No known exploitation

Why it is Yellow

CVSS 6.5 medium

References

https://www.arista.com/en/support/advisories-notices/security-advisory/24810-security-advisory-0194

Original description

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. The service automatically restarts, but a sustained low-rate attack can cause a persistent denial of service of the captive portal. Remote code execution is not possible.

Last activity 6 Oct 2026. Patch Forecast updates every hour.