CVE-2018-17777 : Vulnerability Insights and Analysis
Learn about CVE-2018-17777, a vulnerability on D-Link DVA-5592 A1_WI_20180823 devices allowing unauthorized access to the router control panel. Find mitigation steps and prevention measures.
A vulnerability was identified on D-Link DVA-5592 A1_WI_20180823 devices that could allow unauthorized access to the router control panel with full administrator privileges.
Understanding CVE-2018-17777
This CVE involves a security issue on specific D-Link DVA-5592 A1_WI_20180823 devices that could be exploited to bypass the login form and gain unauthorized access.
What is CVE-2018-17777?
This vulnerability allows attackers to bypass the login form on the "/ui/cbpc/login" page by manipulating the "sid" cookie path, granting them full administrator privileges to the router control panel.
The Impact of CVE-2018-17777
Exploiting this vulnerability could lead to unauthorized access to the router control panel, potentially compromising the device's security and allowing malicious activities.
Technical Details of CVE-2018-17777
This section provides more technical insights into the vulnerability.
Vulnerability Description
The issue arises when the default Parental Control PIN (0000) is set on the "/ui/cbpc/login" page, enabling attackers to manipulate the "sid" cookie path and bypass the login form.
Affected Systems and Versions
- Affected Systems: D-Link DVA-5592 A1_WI_20180823 devices
- Affected Versions: Not applicable
Exploitation Mechanism
By editing the path of the "sid" cookie generated by the page, attackers can bypass the login form and gain unauthorized access to the router control panel with full administrator privileges.
Mitigation and Prevention
Protecting systems from CVE-2018-17777 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Change the default Parental Control PIN to a strong, unique value to prevent unauthorized access.
- Regularly monitor and review access logs for any suspicious activities.
Long-Term Security Practices
- Implement multi-factor authentication to enhance login security.
- Keep router firmware up to date to patch known vulnerabilities.
Patching and Updates
Ensure that D-Link DVA-5592 A1_WI_20180823 devices are updated with the latest firmware releases to address this vulnerability.