0.0
NA
CVE-2026-79376
Bestechnic BES2300 L2CAP Denial of Service Vulnerability
Description

An issue in the l2cap_handle_data() 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.

INFO

Published Date :

Sept. 8, 2026, 2:17 p.m.

Last Modified :

Sept. 8, 2026, 2:17 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-79376 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
Update Bluetooth firmware to patch the L2CAP packet handling vulnerability.
  • Update the firmware for the Bluetooth audio SoC.
  • Apply vendor patches for affected firmware versions.
  • Ensure L2CAP packet validation is properly implemented.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-79376.

URL Resource
http://bes2300.com
http://bestechnic.com
https://www.bestechnic.com/CVE-2026-79376.pdf
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-79376 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-79376 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-79376 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-79376 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Sep. 08, 2026

    Action Type Old Value New Value
    Added Description An issue in the l2cap_handle_data() 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.
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/79xxx/CVE-2026-79376.json">CVE-2026-79376</a>
    Added Reference http://bes2300.com
    Added Reference http://bestechnic.com
    Added Reference https://www.bestechnic.com/CVE-2026-79376.pdf
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.