CVE-2021-31610

medium

Description

The Bluetooth Classic implementation on AB32VG1 devices does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service (either restart or deadlock the device) by flooding a device with LMP_AU_rand data.

References

https://www.mi.com/global/mi-true-wireless-earbuds-basic-2/

https://dl.packetstormsecurity.net/papers/general/braktooth.pdf

http://www.bluetrum.com/product/bt8896a.html

http://www.bluetrum.com/product/ab5376t.html

Details

Source: Mitre, NVD

Published: 2021-09-07

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.1

Vector: CVSS2#AV:A/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00288