Arista Wi-Fi Access Points up to 21.2.x/21.3.0M-13/22.0.1F-32 Sensor Service memory corruption

Summaryinfo

A vulnerability was found in Arista Wi-Fi Access Points up to 21.2.x/21.3.0M-13/22.0.1F-32 and classified as very critical. Affected by this vulnerability is an unknown functionality of the component Sensor Service. Executing a manipulation can lead to memory corruption. This vulnerability is tracked as CVE-2026-102167. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Arista Wi-Fi Access Points up to 21.2.x/21.3.0M-13/22.0.1F-32. It has been declared as very critical. This vulnerability affects an unknown code of the component Sensor Service. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at arista.com. This vulnerability was named CVE-2026-102167 since 09/28/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/06/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Arista

Name

• Wi-Fi Access Points

Version

• 21.0
• 21.1
• 21.2
• 21.3.0M-13
• 22.0.1F-32

License

• commercial

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