CVE-2020-15894 : Exploit Details and Defense Strategies
Learn about CVE-2020-15894, a vulnerability on D-Link DIR-816L devices allowing attackers to retrieve sensitive information. Find mitigation steps and prevention measures here.
An issue was discovered on D-Link DIR-816L devices 2.x before 1.10b04Beta02, allowing attackers to retrieve sensitive information.
Understanding CVE-2020-15894
What is CVE-2020-15894?
This CVE identifies an exposed administration function in getcfg.php on D-Link DIR-816L devices, enabling attackers to access sensitive data.
The Impact of CVE-2020-15894
The vulnerability allows attackers to retrieve admin login credentials and other sensitive information by manipulating the query string.
Technical Details of CVE-2020-15894
Vulnerability Description
The issue lies in an exposed administration function in getcfg.php on D-Link DIR-816L devices, which can be exploited to call various services.
Affected Systems and Versions
- Product: D-Link DIR-816L devices
- Versions: 2.x before 1.10b04Beta02
Exploitation Mechanism
Attackers can set the value of _POST_SERVICES in the query string to DEVICE.ACCOUNT to retrieve sensitive information.
Mitigation and Prevention
Immediate Steps to Take
- Update the D-Link DIR-816L device to version 1.10b04Beta02 or later.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update firmware and software to patch known vulnerabilities.
- Implement strong password policies and multi-factor authentication.
- Conduct security audits and penetration testing to identify and address weaknesses.
Patching and Updates
Ensure timely installation of security patches and updates provided by D-Link to mitigate the vulnerability.