Detections
Analytics
CVE-2021-34148
medium
Description
The Bluetooth Classic implementation in the Cypress WICED BT stack through 2.9.0 for CYW20735B1 devices does not properly handle the reception of LMP_max_slot with a greater ACL Length after completion of the LMP setup procedure, allowing attackers in radio range to trigger a denial of service (firmware crash) via a crafted LMP packet.
References
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-20810
https://dl.packetstormsecurity.net/papers/general/braktooth.pdf