{"id":"CVE-2021-34146","details":"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.","modified":"2026-04-10T04:34:25.017634Z","published":"2021-09-07T07:15:07Z","references":[{"type":"ADVISORY","url":"https://dl.packetstormsecurity.net/papers/general/braktooth.pdf"},{"type":"ADVISORY","url":"https://www.cypress.com/documentation/datasheets/cyw20735b1-single-chip-bluetooth-transceiver-wireless-input-devices"},{"type":"ARTICLE","url":"https://dl.packetstormsecurity.net/papers/general/braktooth.pdf"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}