CVE-2022-27286 Explained : Impact and Mitigation
Discover the impact and mitigation strategies for CVE-2022-27286, a stack overflow vulnerability in D-Link DIR-619 Ax v1.00, enabling DoS attacks via the curTime parameter.
D-Link DIR-619 Ax v1.00 was found to have a stack overflow vulnerability in the function formSetWanNonLogin, enabling attackers to launch a Denial of Service (DoS) attack through the curTime parameter.
Understanding CVE-2022-27286
This section will provide insights into the impact, technical details, and mitigation strategies for CVE-2022-27286.
What is CVE-2022-27286?
The CVE-2022-27286 vulnerability exists in D-Link DIR-619 Ax v1.00 due to a stack overflow in the formSetWanNonLogin function. This flaw allows malicious actors to carry out a DoS attack by exploiting the curTime parameter.
The Impact of CVE-2022-27286
The vulnerability poses a significant threat as attackers can leverage it to disrupt services, leading to a complete Denial of Service condition on the affected system.
Technical Details of CVE-2022-27286
In this section, we will delve deeper into the specifics of the vulnerability.
Vulnerability Description
The stack overflow vulnerability in the formSetWanNonLogin function of D-Link DIR-619 Ax v1.00 permits malicious entities to trigger a DoS attack by manipulating the curTime parameter.
Affected Systems and Versions
The affected system identified is the D-Link DIR-619 Ax v1.00 with the stack overflow vulnerability present in the formSetWanNonLogin function.
Exploitation Mechanism
Attackers exploit the stack overflow in the formSetWanNonLogin function by carefully crafting the curTime parameter, leading to a DoS attack.
Mitigation and Prevention
This section outlines the steps to mitigate the vulnerability and prevent potential attacks.
Immediate Steps to Take
It is crucial to update the firmware of D-Link DIR-619 Ax v1.00 to the latest version provided by the vendor. Additionally, network segmentation and access control can help reduce the attack surface.
Long-Term Security Practices
Implementing regular security audits, penetration testing, and staying informed about security bulletins can enhance the overall security posture of the system.
Patching and Updates
Stay vigilant for official security updates released by D-Link to patch the stack overflow vulnerability in the formSetWanNonLogin function.