Vulnerability · Published Sep 7, 2021 · Assigned by mitre
CVE-2021-31613
Medium 6.5
In plain English
A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities).
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)0.6%top 52.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 products (as reported)
References
- http://www.zh-jieli.com/product/68-cn.html x_refsource_MISC
- https://launchstudio.bluetooth.com/ListingDetails/58628 x_refsource_MISC
- https://launchstudio.bluetooth.com/ListingDetails/19746 x_refsource_MISC
- https://dl.packetstormsecurity.net/papers/general/braktooth.pdf x_refsource_MISC