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Vulnerability record · CVE-2026-79377 · published 8 September 2026

CVE-2026-79377: Heap-based buffer overflow vulnerability

A heap overflow in the a2dp_decoder_sbc.cpp component 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.

7.5 CVSS 3.1 High EPSS 0.53% · top 57.6% CWE-122 · Heap-based buffer overflow Deferred
7.5CVSS 3.1 base score
0.53%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
9 Sep 2026Last modified by NVD

Description

A heap overflow in the a2dp_decoder_sbc.cpp component 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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

LinkTags
https://github.com/Derek-Vencer/best1307/blob/296d587ad3766bbff96e7f466cf0775c170a/apps/audioplayers/a2dp_decoder/a2dp_d
https://www.bestechnic.com/CVE-2026-79376.pdf

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Source: NIST National Vulnerability Database (record CVE-2026-79377), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.