CVE-2025-5476: medium-severity vulnerability in Sony XAV-AX8500
Sony XAV-AX8500 Bluetooth Improper Isolation Authentication Bypass Vulnerability
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.3epss 0.4%
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.
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected products
Sony · XAV-AX8500Related CVEs — Sony XAV-AX8500
In the same product, most dangerous first.
CVE-2025-5478HIGHSony XAV-AX8500 Bluetooth SDP Protocol Integer Overflow Remote Code Execution VulnerabilityEPSS 0.4%CVE-2025-5477HIGHSony XAV-AX8500 Bluetooth L2CAP Protocol Heap-based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.4%CVE-2025-5479HIGHSony XAV-AX8500 Bluetooth AVCTP Protocol Heap-based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.4%CVE-2025-5820MEDIUMSony XAV-AX8500 Bluetooth ERTM Channel Authentication Bypass VulnerabilityEPSS 0.4%CVE-2025-5475HIGHSony XAV-AX8500 Bluetooth Packet Handling Integer Overflow Remote Code Execution VulnerabilityEPSS 0.3%