CVE-2026-79376: Bestechnic Co., Ltd BES2300 Bluetooth Audio SoC firmware vulnerability
Published Sep 8, 2026
·Updated
An issue in the l2caphandledata() function of Bestechnic Co., Ltd BES2300 Bluetooth Audio SoC firmware v3.x and earlier allows attackers to cause a Denial of Service (DoS) via sending a crafted L2CAP packet.
Affected Software
1 affected component
Bestechnic Co., Ltd BES2300 Bluetooth Audio SoC firmware<=3.x
Event History
Sep 8, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Frequently Asked Questions
1
How can I determine whether a device is affected?
Verify whether the device uses the Bestechnic BES2300 Bluetooth Audio SoC and identify its firmware version. The reported affected range is firmware v3.x and earlier.
2
What attacker access conditions are known?
The available information states that exploitation involves sending a crafted L2CAP packet. It does not specify whether pairing, authentication, prior connection, or any particular Bluetooth proximity condition is required.
3
What is the reported impact of successful exploitation?
Successful exploitation can cause a denial of service condition in the affected firmware.