CVEvulnerability
CVE-2021-31613
6.5 MEDIUM
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])
- 3.3 LOW — AV:A/AC:L/Au:N/C:N/I:N/A:P
Description
The Bluetooth Classic implementation on Zhuhai Jieli AC690X and AC692X devices does not properly handle the reception of a truncated LMP packet during the LMP auto rate procedure, allowing attackers in radio range to immediately crash (and restart) a device via a crafted LMP packet.
Affected configurations
• zh-jieli ac6901 firmware
• zh-jieli ac6925 firmware
• zh-jieli ac6926 firmware
• zh-jieli ac6928 firmware
• zh-jieli ac6921 firmware
References
- http://www.zh-jieli.com/product/68-cn.html Product, Vendor Advisory
- https://dl.packetstormsecurity.net/papers/general/braktooth.pdf Technical Description, Third Party Advisory
- https://launchstudio.bluetooth.com/ListingDetails/19746 Third Party Advisory
- https://launchstudio.bluetooth.com/ListingDetails/58628 Third Party Advisory
- http://www.zh-jieli.com/product/68-cn.html Product, Vendor Advisory
- https://dl.packetstormsecurity.net/papers/general/braktooth.pdf Technical Description, Third Party Advisory
- https://launchstudio.bluetooth.com/ListingDetails/19746 Third Party Advisory
- https://launchstudio.bluetooth.com/ListingDetails/58628 Third Party Advisory