What’s Vulnerable › Vulnerabilities

CVE-2022-50789: SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x Conditional Command Injection via dns.php

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.2% 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 command injection vulnerability that allows local authenticated users to create malicious files in the /tmp directory with .dns.pid extension. Unauthenticated attackers can execute the malicious commands by making a single HTTP POST request to the vulnerable dns.php script, which triggers command execution and then deletes the file.

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/247922
• https://packetstormsecurity.com/files/170260/SOUND4-IMPACT-FIRST-PULSE-Eco-2.x-dns.php-Command-Injection.html
• https://www.sound4.com/
• https://www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-conditional-command-injection-via-dnsphp
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5733.php

Get alerted when CVE-2022-50789 or the next vulnerability affects your stack