CVE-2026-102169 Security Advisory 0194
Unauthenticated attackers can crash the captive portal service on Arista Wi-Fi access points via crafted HTTP requests, causing persistent denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-102169?
CVE-2026-102169 is a high-severity vulnerability in Arista Networks Wi-Fi Access Points, published on 6 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-476
Which versions are affected by CVE-2026-102169?
How do I fix CVE-2026-102169?
No fix has been published for CVE-2026-102169 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-102169 being exploited?
There is no known exploitation of CVE-2026-102169 in the wild and no public exploit code.
Sources
Also known as GHSA-rrrh-972c-gp58.