CVE-2022-50796

high-risk

Published 2025-12-30

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.

Do I need to act?

0.95% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (12)

Impact Firmware

Pulse Firmware

First Firmware

Impact Eco Firmware

Pulse Eco Firmware

Big Voice4 Firmware

Big Voice2 Firmware

Wm2 Firmware

Stream Extension

Affected Vendors

Sound4

References (5)

Third Party Advisory https://exchange.xforce.ibmcloud.com/vulnerabilities/247951

Exploit https://packetstormsecurity.com/files/170268/SOUND4-IMPACT-FIRST-PULSE-Eco-2.x-u...

Product https://www.sound4.com/

Third Party Advisory https://www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-unauthenticated...

Exploit https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5741.php

/ 100

high-risk

Severity 32/34 · Critical

Exploitability 3/34 · Minimal

Exposure 17/34 · Moderate