What is CVE-2025-5479?

CVE-2025-5479 is a high-severity vulnerability in Sony Xav-ax8500, classified under Heap-based Buffer Overflow. CVSS score: 7.5/10. Published 2025-06-21.

How severe is CVE-2025-5479?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Sony Xav-ax8500

CVE-2025-5479

Sony XAV-AX8500 Bluetooth AVCTP Protocol Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sony XAV-AX8500 devices. A…

Vulnerability class: Buffer Overflow

EPSS: 0.002 (42.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:A/AC:H/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-122 — Heap-based Buffer Overflow

References

ZDI-25-356 (x_research-advisory)
vendor-provided URL (vendor-advisory)

Frequently asked questions

What is CVE-2025-5479?: CVE-2025-5479 is a high-severity vulnerability in Sony Xav-ax8500, classified under Heap-based Buffer Overflow. CVSS score: 7.5/10. Published 2025-06-21.
How severe is CVE-2025-5479?: High severity. CVSS v3 base score is 7.5 out of 10.