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PatchSiren cyber security CVE debrief

CVE-2026-79379 Bestechnic Co., Ltd CVE debrief

A buffer overflow in the SBC_DecodeFrames() 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 frame. This executive overview covers the affected product, a Bluetooth Audio SoC, and the vulnerability class, a buffer overflow. The likely operational impact is a Denial of Service (DoS) attack. The source confidence is limited to the information provided in the CVE record and NVD vulnerability detail page. Review of system configurations and firmware versions is necessary to determine exposure and prioritize firmware updates to version 5.0 or later.

Vendor
Bestechnic Co., Ltd
Product
BES2300 Bluetooth Audio SoC
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-08
Original CVE updated
2026-09-14
Advisory published
2026-09-08
Advisory updated
2026-09-14

Who should care

Defenders responsible for systems using the BES2300 Bluetooth Audio SoC, particularly those in IoT, consumer electronics, and industrial control systems, should assess exposure and prioritize firmware updates.

Why it matters

The buffer overflow vulnerability in the SBC_DecodeFrames() function of Bestechnic Co., Ltd BES2300 Bluetooth Audio SoC firmware requires attention from defenders to prevent potential Denial of Service (DoS) attacks. Systems using the affected firmware versions should be identified and updated to version 5.0 or later. Monitoring and incident response planning are also recommended.

  • Denial of Service (DoS) attacks may be launched against vulnerable systems.
  • Successful exploitation requires sending a crafted frame to the vulnerable SBC_DecodeFrames() function.
  • Verification of firmware versions and system configurations is necessary to determine exposure.

Technical summary

The CVE record describes a buffer overflow vulnerability in the SBC_DecodeFrames() function of Bestechnic Co., Ltd BES2300 Bluetooth Audio SoC firmware v3.x and earlier. The vulnerability allows attackers to cause a Denial of Service (DoS) via sending a crafted frame.

Defensive priority

Medium-priority defensive actions are recommended to address the buffer overflow vulnerability in the SBC_DecodeFrames() function of Bestechnic Co., Ltd BES2300 Bluetooth Audio SoC firmware.

Recommended defensive actions

  • Review and apply firmware updates to ensure the BES2300 Bluetooth Audio SoC is running version 5.0 or later.
  • Implement network and system monitoring to detect and respond to potential Denial of Service (DoS) attacks.
  • Verify the configuration and security of systems using the BES2300 Bluetooth Audio SoC.

Evidence notes

The CVE record and NVD vulnerability detail page provide information on the buffer overflow vulnerability in the SBC_DecodeFrames() function of Bestechnic Co., Ltd BES2300 Bluetooth Audio SoC firmware.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-79379 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-79379

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-79379 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-79379

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.