{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-3885","assignerOrgId":"99f1926a-a320-47d8-bbb5-42feb611262e","state":"PUBLISHED","assignerShortName":"zdi","dateReserved":"2025-04-22T21:43:39.536Z","datePublished":"2025-05-22T00:49:42.558Z","dateUpdated":"2025-05-22T18:33:03.160Z"},"containers":{"cna":{"providerMetadata":{"orgId":"99f1926a-a320-47d8-bbb5-42feb611262e","shortName":"zdi","dateUpdated":"2025-05-22T00:49:42.558Z"},"title":"Harman Becker MGU21 Bluetooth Improper Input Validation Denial-of-Service Vulnerability","descriptions":[{"lang":"en","value":"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.\n\nThe 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."}],"affected":[{"vendor":"Harman Becker","product":"MGU21","versions":[{"version":"MGU21_22-07 firmware with BCM89359 wireless chipset; LMP Version: 5.0 (0x9); LMP Subversion: 0x420d","status":"affected"}],"defaultStatus":"unknown"}],"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-20","description":"CWE-20: Improper Input Validation","type":"CWE"}]}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-25-251/","name":"ZDI-25-251","tags":["x_research-advisory"]}],"dateAssigned":"2025-04-22T21:43:39.572Z","datePublic":"2025-04-24T00:14:20.619Z","source":{"lang":"en","value":"Aaron Luo, Gloria Chen, Omar Yang, Spencer Hsieh, and Vit Sembera of VicOne"},"metrics":[{"format":"CVSS","cvssV3_0":{"version":"3.0","vectorString":"CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":5.3,"baseSeverity":"MEDIUM"}}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-22T18:29:02.500327Z","id":"CVE-2025-3885","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-05-22T18:33:03.160Z"}}]}}