CVE-2025-5820: medium-severity vulnerability in Sony XAV-AX8500
Sony XAV-AX8500 Bluetooth ERTM Channel Authentication Bypass Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.3epss 0.4%
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.
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-2025-5476MEDIUMSony XAV-AX8500 Bluetooth Improper Isolation Authentication Bypass VulnerabilityEPSS 0.4%CVE-2025-5475HIGHSony XAV-AX8500 Bluetooth Packet Handling Integer Overflow Remote Code Execution VulnerabilityEPSS 0.3%