### [CVE-2021-34146](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34146) ![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen) ### Description The Bluetooth Classic implementation in the Cypress CYW920735Q60EVB does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service and restart (crash) of the device by flooding it with LMP_AU_Rand packets after the paging procedure. ### POC #### Reference - https://dl.packetstormsecurity.net/papers/general/braktooth.pdf #### Github - https://github.com/ARPSyndicate/cvemon - https://github.com/JeffroMF/awesome-bluetooth-security321 - https://github.com/engn33r/awesome-bluetooth-security