CVE-2022-27291 Explained : Impact and Mitigation

D-Link DIR-619 Ax v1.00 has been found to contain a critical vulnerability, CVE-2022-27291, that exposes it to a stack overflow. This flaw in the function formdumpeasysetup can be exploited by attackers to launch a Denial of Service (DoS) attack by manipulating the config.save_network_enabled parameter.

Understanding CVE-2022-27291

This section provides an overview of the vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2022-27291?

The CVE-2022-27291 vulnerability affects D-Link DIR-619 Ax v1.00 and allows malicious actors to disrupt services by triggering a stack overflow through a specific parameter.

The Impact of CVE-2022-27291

Exploitation of this vulnerability can lead to a Denial of Service (DoS) attack, causing service unavailability and disrupting network operations.

Technical Details of CVE-2022-27291

Explore the specifics of the vulnerability including its description, affected systems, and how it can be exploited.

Vulnerability Description

The vulnerability arises from a stack overflow in the function formdumpeasysetup, enabling threat actors to execute a DoS attack by modifying the config.save_network_enabled parameter.

Affected Systems and Versions

D-Link DIR-619 Ax v1.00 is the specific model and version impacted by CVE-2022-27291, with the potential to disrupt services and impact network availability.

Exploitation Mechanism

By manipulating the vulnerable parameter config.save_network_enabled, attackers can exploit the stack overflow flaw to achieve a DoS attack, leading to service disruptions.

Mitigation and Prevention

Learn how to safeguard your systems against CVE-2022-27291 through immediate actions and long-term security practices.

Immediate Steps to Take

It is recommended to apply security patches promptly, monitor network traffic for anomalies, and restrict access to vulnerable services to mitigate the risk of exploitation.

Long-Term Security Practices

Implement a robust network security policy, conduct regular vulnerability assessments, and stay informed about security updates to enhance the overall security posture.

Patching and Updates

Stay vigilant for patches released by D-Link to address the CVE-2022-27291 vulnerability. Regularly update firmware and software to eliminate known vulnerabilities and enhance system resilience.