CVE-2020-14472 : Vulnerability Insights and Analysis

Draytek Vigor3900, Vigor2960, and Vigor 300B devices before 1.5.1.1 are vulnerable to command-injection attacks in the mainfunction.cgi file.

Understanding CVE-2020-14472

This CVE involves command-injection vulnerabilities in specific Draytek devices, potentially leading to security breaches.

What is CVE-2020-14472?

CVE-2020-14472 refers to the presence of command-injection vulnerabilities in Draytek Vigor3900, Vigor2960, and Vigor 300B devices before version 1.5.1.1. These vulnerabilities exist in the mainfunction.cgi file, allowing attackers to execute arbitrary commands.

The Impact of CVE-2020-14472

The vulnerabilities in CVE-2020-14472 can be exploited by malicious actors to gain unauthorized access, execute arbitrary commands, and potentially compromise the affected devices. This could lead to data breaches, network intrusions, and other security risks.

Technical Details of CVE-2020-14472

This section provides detailed technical information about the CVE.

Vulnerability Description

The mainfunction.cgi file in Draytek Vigor3900, Vigor2960, and Vigor 300B devices before 1.5.1.1 is susceptible to command-injection attacks, allowing unauthorized command execution.

Affected Systems and Versions

Draytek Vigor3900
Draytek Vigor2960
Draytek Vigor 300B
Versions before 1.5.1.1

Exploitation Mechanism

Attackers can exploit the vulnerabilities by injecting malicious commands into the mainfunction.cgi file, enabling them to execute unauthorized actions on the affected devices.

Mitigation and Prevention

Protecting systems from CVE-2020-14472 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update affected Draytek devices to version 1.5.1.1 or later to patch the command-injection vulnerabilities.
Monitor network traffic for any suspicious activities that could indicate exploitation attempts.

Long-Term Security Practices

Regularly update firmware and security patches on all network devices to prevent future vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential security breaches.

Patching and Updates

Draytek has released version 1.5.1.1 to address the command-injection vulnerabilities. Ensure all affected devices are promptly updated to the latest secure version.