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High · 7.8 CVE-2022-50789 EUVD-2022-55937GHSA-x593-jp73-3qq7

SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x Conditional Command Injection via dns.php

Published Dec 30, 2025 · Updated Oct 1, 2026 · Assigned by VulnCheck

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

VendorProductAffectedFixed
SOUND4 Impact/Pulse/First Version 2: 1.1/2.15 —
SOUND4 Impact/Pulse Eco 1.16 —
SOUND4 BigVoice4 1.2 —
SOUND4 BigVoice2 1.30 —
SOUND4 Stream 1.1/2.4.29 —
Kantar Media WM2 1.11 —

References