CVE-2023-53961: SOUND4 Big VOICE2 Firmware

Medium severity, CVSS 4.3. EPSS: 0.2% chance of exploitation in the next 30 days.

SOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains a cross-site request forgery vulnerability that allows attackers to perform administrative actions without user consent. Attackers can craft malicious web pages that submit HTTP requests to the radio processing interface, triggering unintended administrative operations when a logged-in user visits the page.

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.