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CVE-2020-7842 : Vulnerability Insights and Analysis

Learn about CVE-2020-7842, an improper input validation vulnerability in Netis Korea D'live set-top box AP(WF2429TB) allowing arbitrary command execution. Find mitigation steps and preventive measures.

A vulnerability in Netis Korea D'live set-top box AP(WF2429TB) could allow arbitrary command injection and execution, impacting version 1.1.10.

Understanding CVE-2020-7842

This CVE involves an improper input validation vulnerability in the D'live AP, potentially leading to command injection.

What is CVE-2020-7842?

The vulnerability in Netis Korea D'live AP allows attackers to execute arbitrary commands by manipulating the time setting parameter (ntpServerlp1) for users.

The Impact of CVE-2020-7842

        CVSS Score: 6.4 (Medium Severity)
        Attack Vector: Adjacent Network
        Confidentiality Impact: High
        Integrity Impact: High
        Availability Impact: High
        Privileges Required: High

Technical Details of CVE-2020-7842

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability arises from improper input validation in the D'live AP, enabling unauthorized command execution.

Affected Systems and Versions

        Affected Platform: Linux
        Affected Product: D'live set-top box AP(WF2429TB)
        Affected Version: 1.1.10

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the ntpServerlp1 parameter to inject and execute arbitrary commands.

Mitigation and Prevention

Protecting systems from CVE-2020-7842 requires immediate actions and long-term security measures.

Immediate Steps to Take

        Disable remote access if not required
        Implement strong access controls
        Monitor network traffic for suspicious activities

Long-Term Security Practices

        Regularly update firmware and software
        Conduct security assessments and penetration testing
        Educate users on safe computing practices

Patching and Updates

        Apply patches provided by Netis Korea to address the vulnerability

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