# CVE-2025-50475: OS command injection vulnerability in Russound MBX-PRE-D67F firmware version 3.1.6

## Description
An OS command injection vulnerability exists in Russound MBX-PRE-D67F firmware version 3.1.6, allowing unauthenticated attackers to execute arbitrary commands as root via crafted input to the query parameter in network configuration requests. This vulnerability stems from improper neutralization of special elements used in an OS command within the network configuration handler, enabling remote code execution with the highest privileges.

## Vendor
Russound

## Affected Product
- Model: Russound MBX-PRE-D67F
- Firmware Version: 3.1.6

## Affected Component
`/rvServer.fcgi`

## Vulnerability Type
OS Command Injection

## Attack Type
Remote

## Impact
Allows unauthenticated attackers to execute arbitrary commands as root via crafted input to the hostname parameter in network configuration requests.

## Attack Vectors
The vulnerability can be exploited by sending a specially crafted HTTP request to the device's network configuration interface with malicious commands injected in the query parameter. No authentication is required to perform this attack.

## Discoverer
Yazeed Alewah