CVE-2021-31785
Medium
Description
The Bluetooth Classic implementation on Actions ATS2815 and ATS2819 chipsets does not properly handle the reception of multiple LMP_host_connection_req packets, allowing attackers in radio range to trigger a denial of service (deadlock) of the device via crafted LMP packets. Manual user intervention is required to restart the device and restore Bluetooth communication.
SeverityMedium
CVSS6.5
Exploit probability—
ProductActions-semi Ats2815 Firmware
PublishedSep 7, 2021
First seenSep 7, 2021
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| actions-semi ats2815_firmware | No range specified | — |
| actions-semi ats2819p_firmware | No range specified | — |
| actions-semi ats2819_firmware | No range specified | — |
| actions-semi ats2819s_firmware | No range specified | — |
| actions-semi ats2819t_firmware | No range specified | — |
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