{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-5820", "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "state": "PUBLISHED", "assignerShortName": "zdi", "dateReserved": "2025-06-06T19:06:34.859Z", "datePublished": "2025-06-21T00:09:44.306Z", "dateUpdated": "2025-06-23T14:48:00.503Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "shortName": "zdi", "dateUpdated": "2025-06-21T00:09:44.306Z"}, "title": "Sony XAV-AX8500 Bluetooth ERTM Channel Authentication Bypass Vulnerability", "descriptions": [{"lang": "en", "value": "Sony XAV-AX8500 Bluetooth ERTM Channel Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected Sony XAV-AX8500 devices. Authentication is not required to exploit this vulnerability.\n\nThe specific flaw exists within the implementation of Bluetooth ERTM channel communication. The issue results from improper channel data initialization. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-26285."}], "affected": [{"vendor": "Sony", "product": "XAV-AX8500", "versions": [{"version": "2.00.01", "status": "affected"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-288", "description": "CWE-288: Authentication Bypass Using an Alternate Path or Channel", "type": "CWE"}]}], "references": [{"url": "https://www.zerodayinitiative.com/advisories/ZDI-25-358/", "name": "ZDI-25-358", "tags": ["x_research-advisory"]}, {"url": "https://www.sony.com/electronics/support/mobile-cd-players-digital-media-players-xav-series/xav-ax8500/software/00344092", "name": "vendor-provided URL", "tags": ["vendor-advisory"]}], "dateAssigned": "2025-06-06T19:06:34.987Z", "datePublic": "2025-06-11T17:41:38.362Z", "source": {"lang": "en", "value": "Mikhail Evdokimov (@konatabrk) from PCAutomotive"}, "metrics": [{"format": "CVSS", "cvssV3_0": {"version": "3.0", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "baseScore": 6.3, "baseSeverity": "MEDIUM"}}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-06-23T14:47:54.346857Z", "id": "CVE-2025-5820", "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": "2025-06-23T14:48:00.503Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Sony XAV-AX8500 Bluetooth ERTM Channel Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected Sony XAV-AX8500 devices. Authentication is not required to exploit this vulnerability.\n\nThe specific flaw exists within the implementation of Bluetooth ERTM channel communication. The issue results from improper channel data initialization. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-26285."}, {"lang": "es", "value": "Vulnerabilidad de omisi\u00f3n de autenticaci\u00f3n del canal Bluetooth ERTM en Sony XAV-AX8500. Esta vulnerabilidad permite a atacantes adyacentes a la red omitir la autenticaci\u00f3n en los dispositivos Sony XAV-AX8500 afectados. No se requiere autenticaci\u00f3n para explotar esta vulnerabilidad. La falla espec\u00edfica se encuentra en la implementaci\u00f3n de la comunicaci\u00f3n del canal Bluetooth ERTM. El problema se debe a la inicializaci\u00f3n incorrecta de los datos del canal. Un atacante puede aprovechar esta vulnerabilidad para omitir la autenticaci\u00f3n en el sistema. Anteriormente, se denomin\u00f3 ZDI-CAN-26285. "}], "id": "CVE-2025-5820", "lastModified": "2025-06-23T20:16:21.633", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 3.4, "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}]}, "published": "2025-06-21T01:15:28.723", "references": [{"source": "zdi-disclosures@trendmicro.com", "url": "https://www.sony.com/electronics/support/mobile-cd-players-digital-media-players-xav-series/xav-ax8500/software/00344092"}, {"source": "zdi-disclosures@trendmicro.com", "url": "https://www.zerodayinitiative.com/advisories/ZDI-25-358/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-288"}], "source": "zdi-disclosures@trendmicro.com", "type": "Primary"}]}

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