Unauthenticated RCE via Path Traversal in SOUND4 Firmware Upload

Publication date: 2025-12-30

Last updated on: 2025-12-30

Assigner: 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.

CVSS Scores

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Meta Information

Published

2025-12-30

Last Modified

2025-12-30

Generated

2026-07-06

AI Q&A

2025-12-31

EPSS Evaluated

2026-07-05

NVD

CVE-2022-50796

Affected Vendors & Products

Vendor	Product	Version / Range
sound4	impact	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-22	The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Attack-Flow Graph

Executive Summary

This vulnerability exists in SOUND4 IMPACT/FIRST/PULSE/Eco versions up to 2.x and involves an unauthenticated remote code execution flaw in the firmware upload functionality. Specifically, attackers can exploit a path traversal flaw in the upload.cgi script to write malicious files to the system with www-data permissions, allowing unauthorized access and execution of code.

Impact Analysis

The vulnerability can allow attackers to remotely execute code on the affected system without authentication. This can lead to unauthorized access, potential control over the system, and compromise of system integrity and security.

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