CVE-2023-24349 : Exploit Details and Defense Strategies

This CVE record was published on February 10, 2023, revealing a vulnerability in the D-Link N300 WI-FI Router DIR-605L v2.13B01. The vulnerability involves a stack overflow through the curTime parameter at /goform/formSetRoute.

Understanding CVE-2023-24349

This section will delve into the details of CVE-2023-24349, explaining the vulnerability and its impact.

What is CVE-2023-24349?

CVE-2023-24349 is a stack overflow vulnerability identified in the D-Link N300 WI-FI Router DIR-605L v2.13B01. This vulnerability occurs due to improper handling of the curTime parameter, which can be exploited by attackers.

The Impact of CVE-2023-24349

The impact of this vulnerability is significant as it allows malicious actors to execute arbitrary code or cause a denial of service on the affected router. This could potentially lead to a compromise of the device's security and sensitive information.

Technical Details of CVE-2023-24349

In this section, we will explore the technical aspects of CVE-2023-24349, including vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability in the D-Link N300 WI-FI Router DIR-605L v2.13B01 arises from a stack overflow triggered by the curTime parameter in the /goform/formSetRoute endpoint. This flaw can be exploited by sending specially crafted requests to the router.

Affected Systems and Versions

The CVE-2023-24349 affects the D-Link N300 WI-FI Router DIR-605L version 2.13B01. Users with this specific router version are at risk of exploitation if the necessary precautions are not taken.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending malicious requests containing a crafted curTime parameter, causing a stack overflow on the affected router. This could lead to unauthorized access or disruption of service.

Mitigation and Prevention

Mitigating CVE-2023-24349 requires immediate action to secure the affected D-Link N300 WI-FI Router DIR-605L v2.13B01 and prevent potential exploitation.

Immediate Steps to Take

Users should visit the D-Link security bulletin page for guidance on addressing CVE-2023-24349.
Implement firewall rules to block suspicious requests targeting the curTime parameter.
Consider disabling remote management access to the router as an additional security measure.

Long-Term Security Practices

Regularly update router firmware to patch known vulnerabilities and enhance security.
Conduct periodic security assessments to identify and remediate any potential weaknesses in the network infrastructure.
Educate users on safe browsing practices and the importance of securing home network devices.

Patching and Updates

Users should monitor the D-Link security bulletin page and apply any patches or updates released by the vendor to address CVE-2023-24349. Regularly checking for firmware updates is crucial to maintaining the security of networking equipment.