CVE-2022-27293 : Security Advisory and Response

This article provides an overview of CVE-2022-27293, a vulnerability found in D-Link DIR-619 Ax v1.00 that allows for a Denial of Service attack through a stack overflow in the formWlanSetup function.

Understanding CVE-2022-27293

This section delves into the nature of the vulnerability and its impact.

What is CVE-2022-27293?

CVE-2022-27293 is a vulnerability in D-Link DIR-619 Ax v1.00 that enables attackers to trigger a Denial of Service (DoS) attack via the webpage parameter.

The Impact of CVE-2022-27293

The vulnerability poses a significant risk as attackers can exploit it to disrupt services and potentially cause system downtime.

Technical Details of CVE-2022-27293

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The stack overflow in the formWlanSetup function of D-Link DIR-619 Ax v1.00 allows threat actors to execute a DoS attack by manipulating the webpage parameter.

Affected Systems and Versions

The affected system is D-Link DIR-619 Ax v1.00. All versions of this system are susceptible to the vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted requests to the affected device, causing it to crash and become unresponsive.

Mitigation and Prevention

This section outlines steps to mitigate the risk posed by CVE-2022-27293.

Immediate Steps to Take

Users are advised to apply security patches provided by D-Link to address the vulnerability promptly.

Long-Term Security Practices

Implementing strong network security measures, such as access controls and firewall rules, can help prevent future attacks.

Patching and Updates

Regularly updating the firmware of D-Link DIR-619 Ax devices is crucial to ensure protection against known vulnerabilities and exploits.