CVE-2025-5476
HIGHSony XAV-AX8500 Firmware >=2.00.01 <3.02.00 - Unauthenticated Authentication Bypass via ACL-U Links
Title source: llmDescription
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.
References (2)
Core 2
Core References
Third Party Advisory x_research-advisory
https://www.zerodayinitiative.com/advisories/ZDI-25-357/
Scores
CVSS v3
8.8
EPSS
0.0031
EPSS Percentile
23.5%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-653
Status
published
Products (1)
sony/xav-ax8500_firmware
2.00.01 - 3.02.00
Published
Jun 21, 2025
Tracked Since
Feb 18, 2026