CVE-2022-29327 : Vulnerability Insights and Analysis

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

Understanding CVE-2022-29327

This CVE refers to a stack overflow vulnerability identified in the D-Link DIR-816 A2_v1.10CNB04 device.

What is CVE-2022-29327?

The CVE-2022-29327 vulnerability exists in the urladd parameter of the /goform/websURLFilterAddDel endpoint in D-Link DIR-816 A2_v1.10CNB04, leading to a stack overflow.

The Impact of CVE-2022-29327

Exploitation of this vulnerability could allow an attacker to execute arbitrary code or cause a denial of service on the affected device.

Technical Details of CVE-2022-29327

This section provides more insights into the vulnerability.

Vulnerability Description

The vulnerability is due to inadequate input validation in the specified parameter, which can be abused by a remote attacker to trigger a stack overflow.

Affected Systems and Versions

The issue impacts D-Link DIR-816 A2_v1.10CNB04 devices with the specific configuration mentioned.

Exploitation Mechanism

An attacker can exploit the vulnerability by sending malicious requests to the vulnerable parameter, leading to a stack overflow condition.

Mitigation and Prevention

Below are the necessary steps to address and prevent exploitation of CVE-2022-29327.

Immediate Steps to Take

Disable remote access to the device if not required.
Apply security patches or updates provided by D-Link to fix the vulnerability.

Long-Term Security Practices

Regularly monitor vendor security bulletins for any updates related to the device.
Implement network segmentation to minimize the impact of potential attacks.

Patching and Updates

Ensure that the device is updated with the latest firmware patches released by D-Link to mitigate the vulnerability effectively.