CVE-2022-50791: SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x Conditional Command Injection via ping.php

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.8% 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 <=2.x contains a conditional command injection vulnerability that allows local authenticated users to create malicious files in the /tmp directory. Unauthenticated attackers can execute commands by making a single HTTP POST request to the vulnerable ping.php script, which triggers the malicious file and then deletes it.

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/247915
https://packetstormsecurity.com/files/170262/SOUND4-IMPACT-FIRST-PULSE-Eco-2.x-ping.php-Command-Injection.html
https://www.sound4.com/
https://www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-conditional-command-injection-via-pingphp
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5735.php

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