8.8

CVE-2025-5476: sony xav-ax8500_firmware

CVSS: 8.8v3.1HighAnalyzed
Published 21-06-2025Last modified 23-06-2025
Open JSON

Vulnerability summary

CVE-2025-5476 is a high (CVSS 8.8) vulnerability in sony xav-ax8500_firmware. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.9% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
0.36%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 21-06-2025
    PublishedVulnerability first disclosed.
  2. 23-06-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.36%

Chance of exploitation in the next 30 days

Percentile

29%

Versus all other CVEs

30-day change

+0.01 pp

From 0.35% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.36%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Sony1 product

1 vendor · 1 product

References

2 links