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Kr00k Wi-Fi® Vulnerability

Microchip is aware of a Wi-Fi security vulnerability named Kr00k (CVE-2019-15126), originally published by ESET. The white paper detailing this vulnerability is available at the following link: https://web-assets.esetstatic.com/wls/2020/02/ESET_Kr00k.pdf. Vulnerability Paper.

Microchip takes security issues seriously and has conducted a thorough investigation of this vulnerability for Microchip products.

Affected Products and Resolution


As of March 4, 2020, Microchip has completed its investigation into the “Kr00k” vulnerability and has concluded that none of the Microchip devices in the table below are vulnerable to CVE-2019-15126.

DeviceVulnerabilityResolution
ATWINC15x0CVE-2019-15126Not affected
ATWINC3400CVE-2019-15126Not affected
ATWILC1000CVE-2019-15126Not affected
ATWILC3000CVE-2019-15126Not affected
ATSAMW25CVE-2019-15126Not affected

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