CVE-2025-5820

Sony XAV-AX8500 Bluetooth ERTM Channel Authentication Bypass Vulnerability

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
EPSS 0.02%
Vendor Advisory sony.com
Affected: Sony XAV-AX8500
Published at:
Updated at:

References

Link Tags
https://www.zerodayinitiative.com/advisories/ZDI-25-358/ third party advisory
https://www.sony.com/electronics/support/mobile-cd-players-digital-media-players-xav-series/xav-ax8500/software/00344092 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2025-5820?
CVE-2025-5820 has been scored as a high severity vulnerability.
How to fix CVE-2025-5820?
To fix CVE-2025-5820, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-5820 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-5820 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-5820?
CVE-2025-5820 affects Sony XAV-AX8500.
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