Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Zh-Jieli | Ac6901 Firmware | - |
| Zh-Jieli | Ac6901 | - |
| Zh-Jieli | Ac6925 Firmware | - |
| Zh-Jieli | Ac6925 | - |
| Zh-Jieli | Ac6926 Firmware | - |
| Zh-Jieli | Ac6926 | - |
| Zh-Jieli | Ac6928 Firmware | - |
| Zh-Jieli | Ac6928 | - |
| Zh-Jieli | Ac6921 Firmware | - |
| Zh-Jieli | Ac6921 | - |
References
- http://www.zh-jieli.com/product/68-cn.htmlProductVendor Advisory
- https://dl.packetstormsecurity.net/papers/general/braktooth.pdfTechnical DescriptionThird 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.htmlProductVendor Advisory
- https://dl.packetstormsecurity.net/papers/general/braktooth.pdfTechnical DescriptionThird Party Advisory
- https://launchstudio.bluetooth.com/ListingDetails/19746Third Party Advisory
- https://launchstudio.bluetooth.com/ListingDetails/58628Third Party Advisory
FAQ
What is CVE-2021-31613?
CVE-2021-31613 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 i...
How severe is CVE-2021-31613?
CVE-2021-31613 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-31613?
Check the references section above for vendor advisories and patch information. Affected products include: Zh-Jieli Ac6901 Firmware, Zh-Jieli Ac6901, Zh-Jieli Ac6925 Firmware, Zh-Jieli Ac6925, Zh-Jieli Ac6926 Firmware.