CVE-2023-24346 Explained : Impact and Mitigation

This CVE record was published by MITRE on February 10, 2023, and involves a vulnerability found in the D-Link N300 WI-FI Router DIR-605L v2.13B01, which can lead to a stack overflow through a specific parameter.

Understanding CVE-2023-24346

This section will provide an overview of what CVE-2023-24346 entails, including the impact, technical details, and mitigation strategies.

What is CVE-2023-24346?

CVE-2023-24346 refers to a stack overflow vulnerability identified in the D-Link N300 WI-FI Router DIR-605L v2.13B01. This vulnerability can be exploited via the

wan_connected

parameter located at

/goform/formEasySetupWizard3

, potentially leading to remote code execution or denial of service.

The Impact of CVE-2023-24346

The impact of CVE-2023-24346 can be severe, allowing malicious actors to execute arbitrary code on the affected router, disrupt network operations, or even compromise sensitive data passing through the device. As a result, prompt remediation is crucial to prevent exploitation.

Technical Details of CVE-2023-24346

In this section, we will delve into the specific technical aspects of the vulnerability, including its description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in the D-Link N300 WI-FI Router DIR-605L v2.13B01 arises from a lack of proper input validation on the

wan_connected

parameter, leading to a buffer overflow condition that can be leveraged by attackers to manipulate the router's memory and potentially execute arbitrary code.

Affected Systems and Versions

The vulnerability affects the D-Link N300 WI-FI Router DIR-605L v2.13B01 specifically. Users of this router version are at risk of exploitation if the necessary precautions are not taken promptly.

Exploitation Mechanism

By crafting a malicious payload and sending it through the

wan_connected

parameter via the

/goform/formEasySetupWizard3

endpoint, threat actors can trigger the stack overflow condition and gain unauthorized access to the router, compromising its security and operations.

Mitigation and Prevention

Protecting against CVE-2023-24346 requires immediate action and long-term security practices to safeguard vulnerable systems from potential attacks.

Immediate Steps to Take

Disable remote access to the router if not required.
Apply vendor-supplied patches or updates to address the vulnerability.
Implement network segmentation and access controls to limit exposure.

Long-Term Security Practices

Regularly monitor and update firmware to ensure devices are protected against known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate weak points in network infrastructure.
Educate users on safe browsing habits and security best practices to minimize the risk of exploitation.

Patching and Updates

D-Link has likely provided a security bulletin or patch to address CVE-2023-24346. Ensure that affected systems are promptly updated with the latest firmware to mitigate the vulnerability and enhance device security.