Is CVE-2025-5476 in the CISA KEV catalog?

No. CVE-2025-5476 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-5476?

CVE-2025-5476 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2025-5476?

CVE-2025-5476 has an EPSS score of 0.31% (23th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-5476?

Upgrade xav-ax8500 firmware to 3.02.00 or later.

CVE & CISA-KEV Catalog

CVE-2025-5476

HIGH

8.8

CVSS v3

NVD

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.

CWE-653

How to fix

Remediation Available

xav-ax8500 firmwareNVD

Affected:>= 2.00.01, < 3.02.00Fixed in:3.02.00CVE-2025-5476derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.31%probability of exploitation in 30 days

23rdpercentile

Low risk: more likely to be exploited than 23% of all known CVEs.

References

Patch1

sony.com

Third-Party Advisory1

zerodayinitiative.com

Related Vulnerabilities

Other CWE-653 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-1974	Critical	9.8	99%	-	-
CVE-2025-57738	High	7.2	23%	-	Fix
CVE-2025-21590	Medium	4.4	1.7%	KEV	-
CVE-2026-24781	Critical	9.8	1.2%	-	Fix
CVE-2024-0135	High	7.6	1.1%	-	Fix
CVE-2026-43997	Critical	10.0	1.0%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-07-08.