CVE-2022-29321 Explained : Impact and Mitigation

D-Link DIR-816 A2_v1.10CNB04 was discovered to contain a stack overflow vulnerability via the lanip parameter in /goform/setNetworkLan.

Understanding CVE-2022-29321

This CVE record highlights a security issue in the D-Link DIR-816 A2_v1.10CNB04 device that could lead to a stack overflow.

What is CVE-2022-29321?

CVE-2022-29321 refers to a stack overflow vulnerability found in D-Link DIR-816 A2_v1.10CNB04 due to improper handling of input via the lanip parameter in /goform/setNetworkLan.

The Impact of CVE-2022-29321

Exploitation of this vulnerability could allow an attacker to execute arbitrary code, leading to a potential system compromise or unauthorized access to the device.

Technical Details of CVE-2022-29321

This section provides more insights into the vulnerability.

Vulnerability Description

The vulnerability arises from a stack overflow caused by the lanip parameter input validation issue in the /goform/setNetworkLan endpoint of D-Link DIR-816 A2_v1.10CNB04.

Affected Systems and Versions

The affected product version is D-Link DIR-816 A2_v1.10CNB04.

Exploitation Mechanism

By sending specially crafted input to the lanip parameter, an attacker can trigger the stack overflow and potentially execute malicious code.

Mitigation and Prevention

To address CVE-2022-29321, it is crucial to follow mitigation strategies.

Immediate Steps to Take

Users are advised to update the device firmware to the latest secure version provided by D-Link and restrict network access to trusted sources.

Long-Term Security Practices

Regularly monitor vendor security bulletins and websites for firmware updates and security advisories to stay informed about potential vulnerabilities.

Patching and Updates

Ensure timely installation of security patches and updates released by D-Link to fix known vulnerabilities and enhance the security posture of the device.