CVE-2021-31610

Description

The Bluetooth Classic implementation on AB32VG1 devices does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service (either restart or deadlock the device) by flooding a device with LMP_AU_rand data.

6.5

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.29%

Vendor Advisory bluetrum.com Vendor Advisory bluetrum.com

Affected: n/a n/a

References

Link	Tags
http://www.bluetrum.com/product/bt8896a.html	product vendor advisory
http://www.bluetrum.com/product/ab5376t.html	product vendor advisory
https://www.mi.com/global/mi-true-wireless-earbuds-basic-2/	not applicable
https://dl.packetstormsecurity.net/papers/general/braktooth.pdf	broken link

Frequently Asked Questions

What is the severity of CVE-2021-31610?: CVE-2021-31610 has been scored as a medium severity vulnerability.
How to fix CVE-2021-31610?: To fix CVE-2021-31610, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-31610 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-31610 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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