CVE-2025-5820

HIGH

Sony XAV-AX8500 - Auth Bypass

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 8.8
EPSS 0.0006
EPSS Percentile 19.9%
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-288
Status published
Products (1)
sony/xav-ax8500_firmware 2.00.1 - 3.02.00
Published Jun 21, 2025
Tracked Since Feb 18, 2026