CVE-2022-50796

Name: CVE-2022-50796
Creator: NVD / NIST
Published: 2025-12-30T23:15:46.743+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.3/10EPSS 1.44%

Last modified Jun 17, 2026

CVE-2022-50796 is a critical-severity vulnerability rated 9.3/10 on the CVSS scale. 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.. EPSS estimates a 1.44% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

9.3/10

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

EPSS Probability

1.44%

69.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Sound4	Impact Firmware	2.15
Sound4	Impact Firmware	1.69
Sound4	Pulse Firmware	2.15
Sound4	Pulse Firmware	1.69
Sound4	First Firmware	2.15
Sound4	First Firmware	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

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/247951Third Party Advisory
https://packetstormsecurity.com/files/170268/SOUND4-IMPACT-FIRST-PULSE-Eco-2.x-upload.cgi-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://www.sound4.com/Product
https://www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-unauthenticated-remote-code-execution-via-uploadcgiThird Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5741.phpExploit, Third Party Advisory

Timeline

Published: Dec 30, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-50796?

How severe is CVE-2022-50796?

CVE-2022-50796 has a CVSS score of 9.3/10 (CRITICAL severity). The EPSS model estimates a 1.44% probability of exploitation in the next 30 days.

How do I fix CVE-2022-50796?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-50796?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST