CVEvulnerability

CVE-2021-31611

5.7 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])
5.7 MEDIUM — CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
3.3 LOW — AV:A/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-667

Description

The Bluetooth Classic implementation on Zhuhai Jieli AC690X and AC692X devices does not properly handle an out-of-order LMP Setup procedure that is followed by a malformed LMP packet, allowing attackers in radio range to deadlock a device via a crafted LMP packet. The user needs to manually reboot the device to restore communication.

Affected configurations

• zh-jieli ac6901 firmware • zh-jieli ac6925 firmware • zh-jieli ac6926 firmware • zh-jieli ac6928 firmware • zh-jieli ac6921 firmware

Related

Weakness · CWE (1)

  • CWE-667 Improper Locking weakness

References