CVE-2026-102162 Security Advisory 0193

Critical 9.4 Published Updated

Unauthenticated attackers can trigger a stack overflow in Arista Wi-Fi access points with specific features enabled, leading to denial of service or arbitrary code execution.

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-2026-102162?

CVE-2026-102162 is a critical memory corruption 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, 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.

Weakness: CWE-121

Which versions are affected by CVE-2026-102162?

How do I fix CVE-2026-102162?

No fix has been published for CVE-2026-102162 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-102162 being exploited?

There is no known exploitation of CVE-2026-102162 in the wild and no public exploit code.

Sources

Also known as GHSA-qv6j-g65v-6hcc.

Is CVE-2026-102162 in your software?

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