CVE-2023-38926 Explained : Impact and Mitigation

A buffer overflow vulnerability was found in Netgear EX6200 v1.0.3.94, allowing attackers to execute malicious code through the wla_temp_ssid parameter at acosNvramConfig_set.

Understanding CVE-2023-38926

This section provides an overview of the critical details related to CVE-2023-38926.

What is CVE-2023-38926?

The CVE-2023-38926 vulnerability exists in Netgear EX6200 v1.0.3.94 due to a buffer overflow issue in the wla_temp_ssid parameter at acosNvramConfig_set. This security flaw allows threat actors to potentially execute arbitrary code on the affected system.

The Impact of CVE-2023-38926

If successfully exploited, CVE-2023-38926 could lead to unauthorized remote code execution on the vulnerable Netgear EX6200 v1.0.3.94 devices. Attackers may take advantage of this flaw to compromise confidentiality, integrity, and availability of the system.

Technical Details of CVE-2023-38926

In this section, we delve into the technical aspects associated with CVE-2023-38926.

Vulnerability Description

The vulnerability in Netgear EX6200 v1.0.3.94 arises from inadequate input validation in the wla_temp_ssid parameter of acosNvramConfig_set, which can result in a buffer overflow condition. This could enable attackers to craft malicious input leading to arbitrary code execution.

Affected Systems and Versions

The affected product is specifically the Netgear EX6200 v1.0.3.94, although further information regarding affected versions has not been disclosed.

Exploitation Mechanism

Exploiting CVE-2023-38926 involves sending specially crafted input through the wla_temp_ssid parameter to trigger a buffer overflow. By carefully crafting the input, threat actors can execute arbitrary code on the target system.

Mitigation and Prevention

This section highlights the steps to mitigate and prevent exploits targeting CVE-2023-38926.

Immediate Steps to Take

Users are advised to update Netgear EX6200 v1.0.3.94 to a secure version provided by the vendor. Additionally, implementing network security controls and monitoring for any unusual activity can help detect and prevent potential attacks.

Long-Term Security Practices

In the long term, organizations should prioritize regular security assessments, vulnerability scanning, and security awareness training to enhance overall defense against similar vulnerabilities.

Patching and Updates

Netgear users should regularly check for security updates and patches from the vendor to address CVE-2023-38926 and other potential security risks.