CVE-2025-3885 (GCVE-0-2025-3885)

Vulnerability from cvelistv5 – Published: 2025-05-22 00:49 – Updated: 2025-05-22 18:33
VLAI?
Summary
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.
Severity ?
5.3 (Medium)
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-20 - Improper Input Validation
Assigner
zdi
References
Impacted products
Vendor Product Version
Harman Becker MGU21 Affected: MGU21_22-07 firmware with BCM89359 wireless chipset; LMP Version: 5.0 (0x9); LMP Subversion: 0x420d
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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