CVE-2026-102162 Arista Wi-Fi Access Points - Buffer Overflow

Arista Wi-Fi access points with captive portal or application firewall enabled contain a stack overflow in the wireless gateway service, letting unauthenticated network-adjacent attackers cause denial-of-service or execute arbitrary code, exploit requires crafted packet.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.25% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Denial Of Service, Remote Code Execution
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
6 October 2026
Updated
15 October 2026
Weakness
CWE-121

Vendor fix

Update to the latest available version from Arista.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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