Executive Summary

This vulnerability is a command injection flaw in the GL-iNet GL-AXT1800 router firmware version 4.6.8. It exists in the 'plugins.install_package' RPC method, which does not properly sanitize user input in package names. As a result, an authenticated attacker can exploit this to execute arbitrary commands with root privileges on the device.

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Impact Analysis

An attacker who is authenticated on the device can exploit this vulnerability to run arbitrary commands with root privileges. This could lead to full control over the router, allowing the attacker to manipulate device settings, intercept or redirect network traffic, install malicious software, or disrupt network operations.

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Mitigation Strategies

To mitigate this vulnerability, you should ensure your GL-iNet GL-AXT1800 router firmware is updated to the latest version provided by GL.iNet, as they provide security patches for their products. Additionally, restrict access to the router's RPC methods to trusted users only, and monitor for any unauthorized access attempts. Since the vulnerability requires authentication, ensure strong authentication credentials are used. If a patch is available, apply it promptly. [1]

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