Medium severity6.5NVD Advisory· Published Sep 7, 2021· Updated Jun 17, 2026
CVE-2021-34143
CVE-2021-34143
Description
The Bluetooth Classic implementation in the Zhuhai Jieli AC6366C_DEMO_V1.0 does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service (deadlock) of the device by flooding it with LMP_AU_Rand packets after paging procedure. User intervention is required to restart the device.
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Affected products
3- Zhuhai Jieli/AC6366C_DEMO_V1.0description
Patches
Vulnerability mechanics
References
2- launchstudio.bluetooth.com/ListingDetails/91371nvdThird Party Advisory
- dl.packetstormsecurity.net/papers/general/braktooth.pdfnvdBroken Link
News mentions
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