CVE-2026-79378

Bluetooth L2CAP Packet–Based Denial of Service in Bestechnic BES2300 Firmware

Published Sep 8, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
An issue in the btm_acl_handle() 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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Bluetooth L2CAP Packet–Based Denial of Service in Bestechnic BES2300 Firmware
Type Values Removed Values Added
Title Denial of Service via Crafted L2CAP Packet in Bestechnic BES2300 Bluetooth Audio SoC Firmware
Weaknesses CWE-20
Type Values Removed Values Added
Weaknesses CWE-400
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Denial of Service via Crafted L2CAP Packet in Bestechnic BES2300 Bluetooth Audio SoC Firmware
Weaknesses CWE-20
Type Values Removed Values Added
First Time appeared Bestechnic
Bestechnic bes2300
Vendors & Products Bestechnic
Bestechnic bes2300
Type Values Removed Values Added
Description An issue in the btm_acl_handle() 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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 9, 2026, 2:55 PM
Reserved
Aug 25, 2026, 12:00 AM
Status
Deferred
Published
Sep 8, 2026, 2:17 PM
Modified
Sep 9, 2026, 4:04 PM