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Critical · 9.8 CVE-2022-50796 EUVD-2022-55930GHSA-hv34-rhhr-q53f

SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x Unauthenticated Remote Code Execution via upload.cgi

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

Description

SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains an unauthenticated remote code execution vulnerability in the firmware upload functionality with path traversal flaw. Attackers can exploit the upload.cgi script to write malicious files to the system with www-data permissions, enabling unauthorized access and code execution.

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