Vulnerability · Published Sep 7, 2021 · Assigned by mitre

CVE-2021-31612

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 0.5% (higher than 45% of all known vulnerabilities).

Severity (CVSS NVD)6.5Medium

Exploit odds (30 days)0.5%top 54.6% 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 devices does not properly handle the reception of an oversized LMP packet greater than 17 bytes during the LMP auto rate procedure, allowing attackers in radio range to trigger a deadlock via a crafted LMP packet.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

http://www.zh-jieli.com/product/68-cn.html x_refsource_MISC
https://launchstudio.bluetooth.com/ListingDetails/19746 x_refsource_MISC
https://dl.packetstormsecurity.net/papers/general/braktooth.pdf x_refsource_MISC