CVE-2021-46230 : What You Need to Know

D-Link device DI-7200GV2.E1 v21.04.09E1 was discovered to contain a command injection vulnerability in the function upgrade_filter. This vulnerability allows attackers to execute arbitrary commands via the path and time parameters.

Understanding CVE-2021-46230

This CVE refers to a command injection vulnerability found in a D-Link device, enabling unauthorized execution of commands.

What is CVE-2021-46230?

The CVE-2021-46230 vulnerability exists in the upgrade_filter function of D-Link DI-7200GV2.E1 v21.04.09E1, permitting attackers to run malicious commands through specific parameters.

The Impact of CVE-2021-46230

The vulnerability poses a severe security risk as attackers can exploit it to execute unauthorized commands on the affected D-Link device.

Technical Details of CVE-2021-46230

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability in D-Link DI-7200GV2.E1 allows threat actors to execute arbitrary commands by manipulating the path and time parameters within the upgrade_filter function.

Affected Systems and Versions

Affected System: D-Link device DI-7200GV2.E1 v21.04.09E1
Vulnerable Version: v21.04.09E1

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting specific input to the path and time parameters, triggering unauthorized command execution.

Mitigation and Prevention

To safeguard against the CVE-2021-46230 vulnerability, follow these mitigation steps:

Immediate Steps to Take

Update the device firmware to the latest version provided by D-Link.
Implement network security measures to restrict unauthorized access.

Long-Term Security Practices

Regularly monitor the D-Link device for any suspicious activity.
Educate users on secure configuration practices to prevent similar vulnerabilities.

Patching and Updates

Stay informed about security bulletins and updates from D-Link.
Apply patches promptly to ensure protection against known vulnerabilities.