CVE-2021-31613

EPSS 0.6%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

07 Sep 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

n/a · n/a

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References

https://dl.packetstormsecurity.net/papers/general/braktooth.pdf https://launchstudio.bluetooth.com/ListingDetails/19746 https://launchstudio.bluetooth.com/ListingDetails/58628 http://www.zh-jieli.com/product/68-cn.html