CVE-2021-31612 - CVE House
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Status published Medium CVE-2021-31612

The Bluetooth Classic implementation on Zhuhai Jieli AC690X devices does...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

ac6901 firmware, ac690n firmware, ac692n firmware, ac6902 firmware, ac6903 firmware, ac6905 firmware, ac6904 firmware, ac6907 firmware, ac6908 firmware, ac6997 firmware, ac6998 firmware, ac6999 firmware
Vulnerable Versions:
Unknown

Timeline

Official Publish: September 7th, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.