CVE-2022-50796
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductSound4 Impact Firmware
PublishedDec 30, 2025
First seenDec 30, 2025
Weakness typeCWE-22Path traversal
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| sound4 impact_firmware | 2.15, 1.69 | — |
| sound4 pulse_firmware | 2.15, 1.69 | — |
| sound4 first_firmware | 2.15, 1.69 | — |
| sound4 impact_eco_firmware | 1.16 | — |
| sound4 pulse_eco_firmware | 1.16 | — |
| sound4 big_voice4_firmware | 1.2 | — |
| sound4 big_voice2_firmware | 1.30 | — |
| sound4 wm2_firmware | 1.11 | — |
| sound4 stream_extension | 2.4.29 | — |
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