CVE-2023-53963: SOUND4 IMPACT/FIRST/PULSE/Eco v2.x Unauthenticated Remote Command Injection

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-12-22 · updated 2026-06-17
Weakness: CWE-78

Description

SOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains an unauthenticated OS command injection vulnerability that allows remote attackers to execute arbitrary shell commands through the 'password' parameter. Attackers can exploit the login.php and index.php scripts by injecting shell commands via the 'password' POST parameter to execute commands with web server privileges.

Affected products

Sound4 Big Voice2 Firmware: 1.30
Sound4 Big Voice4 Firmware: 1.2
Sound4 First Firmware: 2.15, 1.69
Sound4 Impact Eco Firmware: 1.16
Sound4 Impact Firmware: 2.15, 1.69
Sound4 Pulse Eco Firmware: 1.16
Sound4 Pulse Firmware: 2.15, 1.69
Sound4 Stream Extension: 2.4.29
Sound4 Wm2 Firmware: 1.11

References

https://web.archive.org/web/20221207074555/https://www.sound4.com/
https://www.exploit-db.com/exploits/51173
https://www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-unauthenticated-remote-command-injection
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5738.php
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5738.php

Get alerted when CVE-2023-53963 or the next vulnerability affects your stack