What is CVE-2025-5478?

CVE-2025-5478 is a high-severity vulnerability in Sony Xav-ax8500, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2025-06-21.

How severe is CVE-2025-5478?

High severity. CVSS v3 base score is 8.8 out of 10.

Integer overflow in Sony Xav-ax8500

CVE-2025-5478

Sony XAV-AX8500 Bluetooth SDP Protocol Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sony XAV-AX8500 devices. Authenticatio…

Vulnerability class: Integer Overflow

EPSS: 0.002 (38.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Sony Xav-ax8500 — versions 2.00.01

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

ZDI-25-355 (x_research-advisory)
vendor-provided URL (vendor-advisory)

Frequently asked questions

What is CVE-2025-5478?: CVE-2025-5478 is a high-severity vulnerability in Sony Xav-ax8500, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2025-06-21.
How severe is CVE-2025-5478?: High severity. CVSS v3 base score is 8.8 out of 10.