xav-ax8500 firmware vulnerabilities and fixes

Recent CVEs affecting xav-ax8500 firmware, with upgrade or downgrade steps. 6 tracked.

Also searched as: xav ax8500 firmware, xav-ax8500firmware.

xav-ax8500 firmware has 6 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 6. Most recent: 2025-06-21. Highest priority: CVE-2025-5478 (score 40/100).

• CVE-2025-5820 HIGH 8.8 UPGRADE Sony XAV-AX8500 Bluetooth ERTM Channel Authentication Bypass Vulnerability
• CVE-2025-5479 HIGH 7.5 UPGRADE Sony XAV-AX8500 Bluetooth AVCTP Protocol Heap-based Buffer Overflow Remote Code Execution Vulnerability
• CVE-2025-5478 HIGH 8.8 UPGRADE Sony XAV-AX8500 Bluetooth SDP Protocol Integer Overflow Remote Code Execution Vulnerability
• CVE-2025-5477 HIGH 7.5 UPGRADE Sony XAV-AX8500 Bluetooth L2CAP Protocol Heap-based Buffer Overflow Remote Code Execution Vulnerability
• CVE-2025-5476 HIGH 8.8 UPGRADE Sony XAV-AX8500 Bluetooth Improper Isolation Authentication Bypass Vulnerability
• CVE-2025-5475 HIGH 7.5 UPGRADE Sony XAV-AX8500 Bluetooth Packet Handling Integer Overflow Remote Code Execution Vulnerability

FAQ

How do I fix xav-ax8500 firmware vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is xav-ax8500 firmware being exploited right now?

None of the tracked xav-ax8500 firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which xav-ax8500 firmware CVE should I patch first?

CVE-2025-5478 currently ranks highest (40/100): Sony XAV-AX8500 Bluetooth SDP Protocol Integer Overflow Remote Code Execution Vulnerability.

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