CVE-2025-5820 | BDVDB-2026-283452 Detail

SonyXAV-AX8500

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.

Impact#

Per CVSS v3.0: confidentiality impact low, integrity impact low, availability impact low. Attack vector: adjacent.

Weaknesses#

CWE-288 Authentication Bypass Using an Alternate Path or Channel

References#

Exploit#

No public exploit known

History#

Version 12025-06-21Record published in the CVE List.
Version 22025-06-23Most recent update recorded in the CVE List.

Published

Published: 2025-06-21
Last modified: 2025-06-23

Vendor information

Vendor: Sony
Product: XAV-AX8500

All Sony vulnerabilities

Score

6.3 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 29.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Authentication Issues

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
2.00.01
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

Not available

CVSS v3.0

6.3 Medium

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Metric breakdown
Attack Vector	Adjacent
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	Low
Availability	Low

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).