CVE-2021-31611 - CVE House
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Status published Medium CVE-2021-31611

The Bluetooth Classic implementation on Zhuhai Jieli AC690X and AC692X...

Vulnerability 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.

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.

References

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CVE-2021-31613
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CVE-2021-31612
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Affected Vendor

Affected Software

ac6901 firmware, ac6925 firmware, ac6926 firmware, ac6928 firmware, ac6921 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:R/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.