CVE-2020-27600 : What You Need to Know

D-Link Router DIR-846 DIR-846 A1_100.26 allows remote attackers to execute arbitrary commands via shell metacharacters in the ssid0 or ssid1 parameter.

Understanding CVE-2020-27600

This CVE involves a vulnerability in D-Link Router DIR-846 DIR-846 A1_100.26 that enables remote attackers to execute arbitrary commands.

What is CVE-2020-27600?

CVE-2020-27600 is a security vulnerability in the HNAP1/control/SetMasterWLanSettings.php of D-Link Router DIR-846 DIR-846 A1_100.26, allowing attackers to run unauthorized commands through specific parameters.

The Impact of CVE-2020-27600

The exploitation of this vulnerability can lead to unauthorized command execution by remote attackers, potentially compromising the security and integrity of the affected system.

Technical Details of CVE-2020-27600

This section provides more in-depth technical details of the CVE.

Vulnerability Description

The vulnerability in D-Link Router DIR-846 DIR-846 A1_100.26 allows remote attackers to execute arbitrary commands by exploiting shell metacharacters in the ssid0 or ssid1 parameter.

Affected Systems and Versions

Product: D-Link Router DIR-846 DIR-846 A1_100.26
Version: Not applicable

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting shell metacharacters into the ssid0 or ssid1 parameter, enabling them to execute unauthorized commands remotely.

Mitigation and Prevention

Protecting systems from CVE-2020-27600 is crucial to maintaining security.

Immediate Steps to Take

Update the D-Link Router DIR-846 DIR-846 A1_100.26 firmware to the latest version provided by the vendor.
Implement strong firewall rules to restrict unauthorized access to the affected system.
Monitor network traffic for any suspicious activities that may indicate exploitation attempts.

Long-Term Security Practices

Regularly conduct security assessments and penetration testing to identify and address vulnerabilities proactively.
Educate users and administrators about safe browsing habits and the importance of applying security patches promptly.

Patching and Updates

Stay informed about security bulletins and updates released by D-Link to address CVE-2020-27600.