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Medium severity6.5NVD Advisory· Published May 22, 2025· Updated Jun 17, 2026

CVE-2025-3885

CVE-2025-3885

Description

Harman Becker MGU21 Bluetooth Improper Input Validation Denial-of-Service Vulnerability. This vulnerability allows network-adjacent attackers to create a denial-of-service condition on affected installations of Harman Becker MGU21 devices. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the Bluetooth stack of the BCM89359 chipset. The issue results from the lack of proper validation of Bluetooth frames. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-23942.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Samsung Mobile/Harman Mgu21 Firmware
    cpe:2.3:o:samsung:harman_mgu21_firmware:mgu21_22-07:*:*:*:*:*:*:*
  • Harman Becker/Mgu21llm-fuzzy2 versions
    (expand)+ 1 more
    • (no CPE)
    • (no CPE)range: MGU21_22-07 firmware with BCM89359 wireless chipset; LMP Version: 5.0 (0x9); LMP Subversion: 0x420d

Patches

Vulnerability mechanics

References

1

News mentions

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