Security Advisory

CVE-2021-31785

6.5
MEDIUM

Vulnerability Description

The Bluetooth Classic implementation on Actions ATS2815 and ATS2819 chipsets does not properly handle the reception of multiple LMP_host_connection_req packets, allowing attackers in radio range to trigger a denial of service (deadlock) of the device via crafted LMP packets. Manual user intervention is required to restart the device and restore Bluetooth communication.
Published Date September 7, 2021
Official Source NIST NVD Advisory