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.

The 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.
Published: 2025-06-21
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-18881 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. The 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.
History

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00029}

 epss

{'score': 0.00037}

Tue, 08 Jul 2025 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Sony
Sony xav-ax8500
Sony xav-ax8500 Firmware
CPEs cpe:2.3:h:sony:xav-ax8500:-:*:*:*:*:*:*:*
cpe:2.3:o:sony:xav-ax8500_firmware:*:*:*:*:*:*:*:*
Vendors & Products Sony
Sony xav-ax8500
Sony xav-ax8500 Firmware
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Mon, 23 Jun 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Sat, 21 Jun 2025 00:30:00 +0000

Type Values Removed Values Added
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. The 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.
Title Sony XAV-AX8500 Bluetooth Improper Isolation Authentication Bypass Vulnerability
Weaknesses CWE-653
References
Metrics cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'}

Subscriptions

Sony Xav-ax8500 Xav-ax8500 Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: zdi

Published:

Updated: 2025-06-23T14:47:12.400Z

Reserved: 2025-06-02T19:14:36.601Z

Link: CVE-2025-5476

cve-icon Vulnrichment

Updated: 2025-06-23T14:47:09.187Z

cve-icon NVD

Status : Analyzed

Published: 2025-06-21T01:15:28.193

Modified: 2025-07-08T14:30:24.420

Link: CVE-2025-5476

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses