CVE-2021-46231 Explained : Impact and Mitigation
Learn about CVE-2021-46231, a command injection vulnerability in D-Link device DI-7200GV2.E1 v21.04.09E1 permitting attackers to execute unauthorized commands via a parameter. Find mitigation steps here.
D-Link device DI-7200GV2.E1 v21.04.09E1 contains a command injection vulnerability in urlrd_opt.asp, allowing attackers to execute arbitrary commands via the url_en parameter.
Understanding CVE-2021-46231
What is CVE-2021-46231?
CVE-2021-46231 is a command injection vulnerability found in D-Link device DI-7200GV2.E1 v21.04.09E1, specifically in the function urlrd_opt.asp. This flaw enables malicious actors to run unauthorized commands through the url_en parameter.
The Impact of CVE-2021-46231
This vulnerability could lead to unauthorized command execution by attackers, potentially compromising the security and integrity of the affected device.
Technical Details of CVE-2021-46231
Vulnerability Description
The vulnerability resides in the urlrd_opt.asp function of D-Link device DI-7200GV2.E1 v21.04.09E1, allowing attackers to execute arbitrary commands.
Affected Systems and Versions
- Product: D-Link device DI-7200GV2.E1
- Affected Version: v21.04.09E1
Exploitation Mechanism
Attackers exploit this vulnerability by injecting malicious commands through the url_en parameter, bypassing security measures.
Mitigation and Prevention
Immediate Steps to Take
- Disable remote access if not required
- Regularly update firmware and security patches
Long-Term Security Practices
- Implement strong access controls and firewall rules
- Conduct regular security assessments to identify vulnerabilities
Patching and Updates
Ensure timely installation of firmware updates provided by D-Link to address this vulnerability.