CVE-2025-5820

Sony XAV-AX8500 Bluetooth ERTM Channel Authentication Bypass Vulnerability

Published Jun 21, 2025 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
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.

The 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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-18880 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. The 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.
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00029}

epss

{'score': 0.00037}

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'}

Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description 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. The 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.
Title Sony XAV-AX8500 Bluetooth ERTM Channel Authentication Bypass Vulnerability
Weaknesses CWE-288
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
zdi
Published
Updated
Jun 23, 2025, 2:48 PM
Reserved
Jun 6, 2025, 7:06 PM
Status
Analyzed
Published
Jun 21, 2025, 1:15 AM
Modified
Jun 17, 2026, 9:48 AM