---
id: CVE-2026-79379
title: >-
  A buffer overflow in the SBC_DecodeFrames() function of Bestechnic Co., Ltd
  BES2300 Bluetooth Audio SoC firmware v3.x and earlier and fixed in v.5.0
  allows attackers to cause a Denial of Service (DoS) via sending a crafted
  frame.
summary: >-
  A buffer overflow in the SBC_DecodeFrames() function of Bestechnic Co., Ltd
  BES2300 Bluetooth Audio SoC firmware v3.x and earlier and fixed in v.5.0
  allows attackers to cause a Denial of Service (DoS) via sending a crafted
  frame.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-617
published: '2026-09-08'
updated: '2026-09-14'
sourceUpdated: '2026-09-14T14:17:10.130'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-79379'
references:
  - url: 'http://bes2300.com'
    label: cve@mitre.org
  - url: 'http://bestechnic.com'
    label: cve@mitre.org
  - url: 'https://www.bestechnic.com/CVE-2026-79379.pdf'
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-14T13:46:02.999885Z'
epss: 0.00361
epssPercentile: 0.27231
ingestedAt: '2026-09-08T15:33:26.985Z'
---

## Overview

A buffer overflow in the SBC_DecodeFrames() function of Bestechnic Co., Ltd BES2300 Bluetooth Audio SoC firmware v3.x and earlier and fixed in v.5.0 allows attackers to cause a Denial of Service (DoS) via sending a crafted frame.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.