CVE-2021-38525 : What You Need to Know

Understanding CVE-2021-38525 NETGEAR devices are impacted by a stack-based buffer overflow vulnerability allowing authenticated users to execute arbitrary code.

What is CVE-2021-38525? The vulnerability affects various NETGEAR devices including D3600, D6000, D6200, D7000, and more before specific firmware versions. It enables authenticated users to trigger a stack-based buffer overflow, potentially leading to remote code execution.

The Impact of CVE-2021-38525 The CVSS v3.1 base score is 6.8, indicating a medium severity vulnerability. Attack complexity is low, and successful exploitation could result in high impacts on confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2021-38525 Vulnerability Description The vulnerability involves a stack-based buffer overflow in certain NETGEAR devices' firmware, triggered by authenticated users.

Affected Systems and Versions The impacted systems include D3600, D6000, D6200, D7000, EX6200v2, EX7000, and more before specific firmware versions listed.

Exploitation Mechanism An authenticated user can exploit this vulnerability to execute arbitrary code and potentially gain full control over the affected devices.

Mitigation and Prevention Immediate Steps to Take Users are advised to apply security patches provided by NETGEAR. It is crucial to update the firmware of affected devices to versions that mitigate the vulnerability.

Long-Term Security Practices Regularly monitor vendor security advisories and update devices promptly to prevent exploitation of known vulnerabilities. Implement network segmentation and access controls to minimize the impact of potential breaches.

Patching and Updates NETGEAR has released firmware updates addressing the CVE-2021-38525 vulnerability for the affected devices. Users should check the NETGEAR support page for specific firmware versions that contain the necessary security patches.