CVEvulnerability

CVE-2021-31612

6.5 MEDIUM Published 2021-09-07 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-09-07
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
6.1 MEDIUM — AV:A/AC:L/Au:N/C:N/I:N/A:C

Description

The Bluetooth Classic implementation on Zhuhai Jieli AC690X devices does not properly handle the reception of an oversized LMP packet greater than 17 bytes during the LMP auto rate procedure, allowing attackers in radio range to trigger a deadlock via a crafted LMP packet.

Affected configurations

• zh-jieli ac6901 firmware • zh-jieli ac690n firmware • zh-jieli ac692n firmware • zh-jieli ac6902 firmware • zh-jieli ac6903 firmware • zh-jieli ac6905 firmware • zh-jieli ac6904 firmware • zh-jieli ac6907 firmware • zh-jieli ac6908 firmware • zh-jieli ac6997 firmware • zh-jieli ac6998 firmware • zh-jieli ac6999 firmware

References