CVE-2025-3885
MEDIUM EPSS 13.8%
Published May 22, 20251y ago · Modified Jun 17, 20261w ago
6.5 CVSS 3.1
Published May 22, 2025 1y ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector Adjacent
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High
Threat Intelligence
EPSS Exploit Probability
13.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-20 Improper Input Validation Validation
Affected Products 2
References 1
- zerodayinitiative.com https://www.zerodayinitiative.com/advisories/ZDI-25-251/
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.