CVE-2022-50796

PoC ×2—

CVSS 4.0

9.3 critical

EPSS

2%p74

Published

Dec 30, 2025 (Dec 30, 2025)

Modified

Jun 17, 2026

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.

Vendors: sound4
Products: impact firmware, pulse firmware, first firmware, impact eco firmware, pulse eco firmware, big voice4 firmware, big voice2 firmware, wm2 firmware, stream extension
Weakness: CWE-22
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD CVE.org GitHub PoCs EPSS (1.6%)

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