CVE-2025-57431: SOUND4 Pulse-Eco AES67 Firmware

High severity, CVSS 8.8. EPSS: 0.3% chance of exploitation in the next 30 days.

The Sound4 PULSE-ECO AES67 1.22 web-based management interface is vulnerable to Remote Code Execution (RCE) via a malicious firmware update package. The update mechanism fails to validate the integrity of manual.sh, allowing an attacker to inject arbitrary commands by modifying this script and repackaging the firmware.

Affected products

• SOUND4 Pulse-Eco AES67 Firmware: version 1.22 only

Published 2025-09-22. Last modified 2026-06-17.