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High severity · published Jun 21, 2025
CVE-2025-5476
Sony XAV-AX8500 Bluetooth Improper Isolation Authentication Bypass Vulnerability
8.8
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XA
XAV-AX8500 · Sony
2.00.01 · source: vendor
XF
Xav-ax8500 Firmware · Sony
2.00.01 before 3.02.00 · source: NVD
Affected product
XA
XAV-AX8500
Sony
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-5476
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-5476
Patch
https://www.sony.com/electronics/support/mobile-cd-players-digital-media-players-xav-series/xav-ax8500/software/00344092
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-25-357/
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