CVE-2021-38520 : What You Need to Know
CVE-2021-38520 involves command injection in certain NETGEAR devices like R6400, R6700, and R7000P, impacting confidentiality and system integrity. Learn about the impact, technical details, and mitigation strategies.
This CVE involves certain NETGEAR devices being affected by command injection by an authenticated user. Devices impacted include R6400, R6400v2, R6700v3, R6700v2, R6900v2, and R7000P. Read on to understand the details, impacts, and mitigation strategies.
Understanding CVE-2021-38520
This section provides an overview of the CVE-2021-38520 vulnerability affecting NETGEAR devices.
What is CVE-2021-38520?
NETGEAR devices such as R6400, R6400v2, R6700v3, R6700v2, R6900v2, and R7000P are susceptible to command injection by authenticated users.
The Impact of CVE-2021-38520
With a CVSS base score of 6.6, this vulnerability has a high impact on confidentiality, integrity, and availability. The attack complexity is high, and privileges are also required to exploit the issue.
Technical Details of CVE-2021-38520
In this section, we delve into the technical aspects of CVE-2021-38520.
Vulnerability Description
The vulnerability allows authenticated users to execute malicious commands on affected NETGEAR devices, leading to potential compromise of data and system integrity.
Affected Systems and Versions
NETGEAR R6400, R6400v2, R6700v3, R6700v2, R6900v2, and R7000P devices are vulnerable to this command injection flaw.
Exploitation Mechanism
An authenticated user can exploit this vulnerability over the network, requiring no user interaction. The attack impacts confidentiality, integrity, and availability.
Mitigation and Prevention
This section outlines steps to mitigate and prevent the CVE-2021-38520 vulnerability.
Immediate Steps to Take
Users should update their devices to the patched firmware versions provided by NETGEAR to eliminate the command injection vulnerability.
Long-Term Security Practices
Regularly updating firmware, setting strong passwords, and monitoring network traffic can enhance the overall security posture.
Patching and Updates
Stay informed about security advisories from NETGEAR and promptly apply patches and updates to safeguard against known vulnerabilities.