CVE-2019-13481 Explained : Impact and Mitigation
Discover the impact of CVE-2019-13481 on D-Link DIR-818LW devices. Learn about the command injection vulnerability in HNAP1 and how to mitigate the risks effectively.
A vulnerability has been found in the D-Link DIR-818LW devices running firmware version 2.06betab01 that allows for command injection in HNAP1.
Understanding CVE-2019-13481
This CVE identifies a command injection vulnerability in D-Link DIR-818LW devices.
What is CVE-2019-13481?
The vulnerability enables command injection in HNAP1 with proper authentication by utilizing shell metacharacters in the MTU field for setting WanSettings.
The Impact of CVE-2019-13481
The exploitation of this vulnerability can lead to unauthorized remote access and potential compromise of the affected devices.
Technical Details of CVE-2019-13481
This section provides technical insights into the vulnerability.
Vulnerability Description
The issue exists in D-Link DIR-818LW devices with firmware 2.06betab01, allowing command injection in HNAP1 through shell metacharacters in the MTU field.
Affected Systems and Versions
- Product: D-Link DIR-818LW
- Firmware Version: 2.06betab01
Exploitation Mechanism
The vulnerability can be exploited by inserting shell metacharacters in the MTU field when configuring WanSettings.
Mitigation and Prevention
Protecting systems from CVE-2019-13481 is crucial for maintaining security.
Immediate Steps to Take
- Disable remote access if not required
- Implement strong authentication mechanisms
- Monitor network traffic for suspicious activities
Long-Term Security Practices
- Regularly update firmware and security patches
- Conduct security audits and penetration testing
- Educate users on safe practices and security awareness
Patching and Updates
- Apply patches provided by D-Link promptly
- Stay informed about security advisories and updates from the vendor