CVE-2023-53960: SOUND4 Big VOICE2 Firmware

Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days.

SOUND4 IMPACT/FIRST/PULSE/Eco version 2.x contains an SQL injection vulnerability in the 'index.php' authentication mechanism that allows attackers to manipulate login credentials. Attackers can inject malicious SQL code through the 'password' POST parameter to bypass authentication and potentially gain unauthorized access to the system.

Affected products

• SOUND4 Big VOICE2 Firmware: version 1.30 only
• SOUND4 Big VOICE4 Firmware: version 1.2 only
• SOUND4 First Firmware: version 2.15 only; version 1.69 only
• SOUND4 Impact Eco Firmware: version 1.16 only
• SOUND4 Impact Firmware: version 2.15 only; version 1.69 only
• SOUND4 Pulse Eco Firmware: version 1.16 only
• SOUND4 Pulse Firmware: version 2.15 only; version 1.69 only
• SOUND4 Stream Extension: version 2.4.29 only
• SOUND4 WM2 Firmware: version 1.11 only

Published 2025-12-22. Last modified 2026-06-17.