CVE-2022-27294 : Exploit Details and Defense Strategies

D-Link DIR-619 Ax v1.00 was discovered to contain a stack overflow vulnerability in the function formWlanWizardSetup, allowing attackers to launch a Denial of Service (DoS) attack via the webpage parameter.

Understanding CVE-2022-27294

This section delves into the details of the CVE-2022-27294 vulnerability in the D-Link DIR-619 Ax v1.00.

What is CVE-2022-27294?

The CVE-2022-27294 vulnerability exists in the D-Link DIR-619 Ax v1.00 due to a stack overflow in the formWlanWizardSetup function. This flaw enables malicious actors to execute a DoS attack through the webpage parameter.

The Impact of CVE-2022-27294

The vulnerability poses a significant threat as it allows attackers to disrupt the normal functioning of the affected device, potentially leading to service interruptions and system unavailability.

Technical Details of CVE-2022-27294

In this section, we explore the technical aspects of CVE-2022-27294.

Vulnerability Description

The stack overflow vulnerability in the function formWlanWizardSetup of D-Link DIR-619 Ax v1.00 enables threat actors to exploit the webpage parameter to trigger a DoS condition.

Affected Systems and Versions

The affected system is the D-Link DIR-619 Ax v1.00, although specific versions are not specified.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted requests to the targeted device through the webpage parameter, leading to a DoS situation.

Mitigation and Prevention

Protective measures to prevent and mitigate the impact of CVE-2022-27294 are crucial.

Immediate Steps to Take

Monitor vendor updates and patches related to the D-Link DIR-619 Ax v1.00 to address this vulnerability promptly.
Implement network security measures to detect and block malicious traffic targeting the affected device.

Long-Term Security Practices

Regularly update and patch devices and software to ensure protection against known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate any existing weaknesses.

Patching and Updates

Stay informed about security advisories from D-Link and apply patches as soon as they are available to secure the D-Link DIR-619 Ax v1.00 against potential threats.