CVE-2020-8946 Explained : Impact and Mitigation

Netis WF2471 v1.2.30142 devices allow an authenticated attacker to execute arbitrary OS commands via shell metacharacters in the /cgi-bin-igd/sys_log_clean.cgi log_3g_type parameter.

Understanding CVE-2020-8946

This CVE identifies a vulnerability in Netis WF2471 v1.2.30142 devices that enables an authenticated attacker to execute arbitrary OS commands.

What is CVE-2020-8946?

The vulnerability in Netis WF2471 v1.2.30142 devices allows attackers with authentication to run arbitrary OS commands by exploiting shell metacharacters in a specific parameter.

The Impact of CVE-2020-8946

This vulnerability can lead to unauthorized execution of commands on the affected devices, potentially resulting in further compromise of the system and sensitive data.

Technical Details of CVE-2020-8946

Vulnerability Description

The flaw in Netis WF2471 v1.2.30142 devices permits authenticated attackers to execute commands through shell metacharacters in the log_3g_type parameter of /cgi-bin-igd/sys_log_clean.cgi.

Affected Systems and Versions

Product: Netis WF2471 v1.2.30142
Vendor: Netis
Version: n/a

Exploitation Mechanism

Attackers need authentication to exploit this vulnerability, leveraging shell metacharacters in the specified parameter to execute unauthorized OS commands.

Mitigation and Prevention

Immediate Steps to Take

Disable remote access if not required
Implement strong authentication mechanisms
Regularly monitor and audit system logs for suspicious activities

Long-Term Security Practices

Keep systems up to date with the latest security patches
Conduct regular security assessments and penetration testing

Patching and Updates

Apply patches and updates provided by Netis to address this vulnerability.