CVE-2022-50794: SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x Unauthenticated Command Injection via Username

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-12-30 · updated 2026-06-17
Weakness: CWE-78

Description

SOUND4 IMPACT/FIRST/PULSE/Eco versions 2.x and below contain an unauthenticated command injection vulnerability in the username parameter. Attackers can exploit index.php and login.php scripts by injecting arbitrary shell commands through the HTTP POST 'username' parameter to execute system commands.

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://exchange.xforce.ibmcloud.com/vulnerabilities/247914
https://packetstormsecurity.com/files/170266/SOUND4-IMPACT-FIRST-PULSE-Eco-2.x-username-Command-Injection.html
https://www.sound4.com/
https://www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-unauthenticated-command-injection-via-username
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5739.php

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