CVE-2023-49007 : Vulnerability Insights and Analysis

A stack-based buffer overflow vulnerability has been identified in Netgear Orbi RBR750 firmware, impacting versions before V7.2.6.21. This vulnerability exists in the /usr/sbin/httpd component.

Understanding CVE-2023-49007

This CVE relates to a stack-based buffer overflow in Netgear Orbi RBR750 firmware before V7.2.6.21, specifically within /usr/sbin/httpd.

What is CVE-2023-49007?

The CVE-2023-49007 vulnerability in Netgear Orbi RBR750 firmware allows malicious actors to trigger a stack-based buffer overflow through the /usr/sbin/httpd component.

The Impact of CVE-2023-49007

Exploitation of this vulnerability can lead to unauthorized remote code execution or denial of service attacks on affected systems, potentially compromising the security and integrity of the device.

Technical Details of CVE-2023-49007

This section provides specific technical details regarding the CVE-2023-49007 vulnerability.

Vulnerability Description

The stack-based buffer overflow in Netgear Orbi RBR750 firmware before V7.2.6.21 arises from inadequate input validation, allowing an attacker to overwrite the stack and potentially execute arbitrary code.

Affected Systems and Versions

Netgear Orbi RBR750 devices running firmware versions prior to V7.2.6.21 are vulnerable to this stack-based buffer overflow issue.

Exploitation Mechanism

Malicious actors can exploit this vulnerability by crafting specially designed HTTP requests to trigger the buffer overflow in the /usr/sbin/httpd component of the Netgear Orbi RBR750 firmware.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-49007, users and system administrators should take the following immediate and long-term security measures.

Immediate Steps to Take

Update Netgear Orbi RBR750 firmware to version V7.2.6.21 or later to patch the stack-based buffer overflow vulnerability.
Implement network security controls to restrict access to vulnerable services and ports.

Long-Term Security Practices

Regularly monitor for security updates and patches released by Netgear for the Orbi RBR750 firmware.
Conduct security assessments and penetration testing to identify and remediate potential vulnerabilities.

Patching and Updates

Stay informed about security advisories and updates from Netgear to ensure timely application of patches and fixes to address known vulnerabilities.