CVE-2026-102167 PUBLISHED

Security Advisory 0197

Assigner: Arista
Reserved: 28.09.2026 Published: 06.10.2026 Updated: 06.10.2026

On affected Arista Wi-Fi access points, a memory corruption vulnerability exists in access point's wired uplink network endpoints. An unauthenticated attacker can crash the sensor service or potentially achieve remote code execution. Exploitation requires the attacker to be on the same network segment as the access point's wired uplink.

CVSS Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 7.5

Attack Vector	Adjacent Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

CVSS Vector: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score: 9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Adjacent	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	Present	Availability	High	Availability	High
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Arista Networks
Product	Wi-Fi Access Points
Versions	Default: unaffected affected from 22.0.0 to 22.0.1F-32 (incl.) affected from 21.3.0 to 21.3.0M-13 (incl.) affected from 1.0.0 to 21.3.0 (excl.)

Affected Configurations

No specific configuration is required beyond default operation. However, exploitation requires the attacker to have access to the access point's wired uplink network.

Workarounds

There is no mitigation or workaround available.

Solutions

CVE-2026-102167 has been fixed in the following releases: - 22.1.1F-61 and later release in the 22.x train - 21.4.0M-12 and later releases in the 21.x train

References

https://www.arista.com/en/support/advisories-notices/security-advisory/24813-security-advisory-0197

Problem Types

CWE-121 Stack-based Buffer Overflow CWE

Impacts

CAPEC-100 Overflow Buffers