CVE-2021-31613
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…
Does this matter?
Lower severity and a low EPSS score (0.57%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.57% probability · 46th percentile
- CISA KEV
- Not listed
- Affected
- zh-jieli/ac6901 firmware · zh-jieli/ac6925 firmware · zh-jieli/ac6926 firmware · zh-jieli/ac6928 firmware · zh-jieli/ac6921 firmware
- Source
- cve@mitre.org
References
- http://www.zh-jieli.com/product/68-cn.htmlProduct, Vendor Advisory
- https://dl.packetstormsecurity.net/papers/general/braktooth.pdfTechnical Description, Third Party Advisory
- https://launchstudio.bluetooth.com/ListingDetails/19746Third Party Advisory
- https://launchstudio.bluetooth.com/ListingDetails/58628Third Party Advisory
- http://www.zh-jieli.com/product/68-cn.htmlProduct, Vendor Advisory
- https://dl.packetstormsecurity.net/papers/general/braktooth.pdfTechnical Description, Third Party Advisory
- https://launchstudio.bluetooth.com/ListingDetails/19746Third Party Advisory
- https://launchstudio.bluetooth.com/ListingDetails/58628Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.