Vulnerability in Bluetrum Ab5376t

CVE-2021-31610

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.

EPSS: 0.006 (43.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-31610?
CVE-2021-31610 is a medium-severity vulnerability in Bluetrum Ab5376t. CVSS score: 6.5/10. Published 2021-09-07.
How severe is CVE-2021-31610?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2021-31610 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.