{"id":"CVE-2025-5476","aliases":["EUVD-2025-18881","GHSA-p5gp-jv8c-qr96"],"status":"published","title":"Sony XAV-AX8500 Bluetooth Improper Isolation Authentication Bypass Vulnerability","description":"Sony XAV-AX8500 Bluetooth Improper Isolation 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 ACL-U links. The issue results from the lack of L2CAP channel isolation. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-26284.","severity":{"version":"3.0","score":6.3,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00364,"percentile":0.30447,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-653"],"published":"2025-06-21T00:09:49Z","modified":"2026-06-17T09:47:59Z","products":[{"vendor":"sony","product":"xav-ax8500"},{"vendor":"sony","product":"xav-ax8500_firmware"}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-25-357/","tags":["x_research-advisory","Third Party Advisory"]},{"url":"https://www.sony.com/electronics/support/mobile-cd-players-digital-media-players-xav-series/xav-ax8500/software/00344092","tags":["vendor-advisory","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-5476"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-25-357"},{"url":"https://github.com/advisories/GHSA-p5gp-jv8c-qr96"}],"sources":{"cve":[{"id":"CVE-2025-5476","title":"Sony XAV-AX8500 Bluetooth Improper Isolation Authentication Bypass Vulnerability","description":"Sony XAV-AX8500 Bluetooth Improper Isolation 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 ACL-U links. The issue results from the lack of L2CAP channel isolation. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-26284.","status":"published","published":"2025-06-21T00:09:49.419Z","modified":"2025-06-23T14:47:12.4Z","cvss":[{"version":"3.0","score":6.3,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-653"],"updated_at":"2026-11-02T14:32:30.302289Z"}],"euvd":[{"id":"EUVD-2025-18881","description":"Sony XAV-AX8500 Bluetooth Improper Isolation 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 ACL-U links. The issue results from the lack of L2CAP channel isolation. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-26284.","status":"published","published":"2025-06-21T00:09:49Z","modified":"2025-06-23T14:47:12Z","cvss":[{"version":"3.0","score":6.3,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T20:32:18.218874Z"}],"ghsa":[{"id":"GHSA-p5gp-jv8c-qr96","title":"Sony XAV-AX8500 Bluetooth Improper Isolation Authentication Bypass Vulnerability. This...","description":"Sony XAV-AX8500 Bluetooth Improper Isolation 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 ACL-U links. The issue results from the lack of L2CAP channel isolation. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-26284.","status":"published","published":"2025-06-23T21:31:46Z","modified":"2025-06-23T21:31:47Z","cvss":[{"version":"3.0","score":6.3,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-653"],"updated_at":"2026-11-02T15:02:48.223406Z"}],"nvd":[{"id":"CVE-2025-5476","description":"Sony XAV-AX8500 Bluetooth Improper Isolation 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 ACL-U links. The issue results from the lack of L2CAP channel isolation. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-26284.","status":"published","published":"2025-06-21T01:15:28.193Z","modified":"2026-06-17T09:47:59.63Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":6.3,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-653"],"updated_at":"2026-11-02T14:11:14.091082Z"}]}}