Buffer overflow in Arista Networks Wi-Fi Access Points

CVE-2026-102162

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.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-102162?
CVE-2026-102162 is a high-severity vulnerability in Arista Networks Wi-Fi Access Points, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-10-06.
How severe is CVE-2026-102162?
High severity. CVSS v3 base score is 8.8 out of 10.