CVE-2021-38519 : Exploit Details and Defense Strategies
Discover how CVE-2021-38519 affects certain NETGEAR devices, the impact of the vulnerability, technical details, and crucial mitigation steps to secure your systems.
This CVE involves certain NETGEAR devices being vulnerable to command injection by an authenticated user. Devices affected include R6250, R6300v2, R6400, R6400v2, R6700v3, R6700, R6900, R7000, R6900P, R7100LG, R7900, R8000, R7900P, R8000P, and RAX80.
Understanding CVE-2021-38519
This section will provide detailed insights into the nature of the vulnerability and its potential impact.
What is CVE-2021-38519?
Certain NETGEAR devices are susceptible to command injection by an authenticated user, highlighting a security risk that could be exploited by malicious actors.
The Impact of CVE-2021-38519
The vulnerability poses a medium-severity threat, with high impacts on confidentiality and integrity, requiring high privileges for exploitation without user interaction.
Technical Details of CVE-2021-38519
In this section, we delve into the specific technical aspects of the CVE, including the vulnerability description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability allows an authenticated user to execute arbitrary commands, potentially leading to unauthorized access or data compromise.
Affected Systems and Versions
NETGEAR devices such as R6250, R6300v2, R6400, R6400v2, R6700v3, R6700, R6900, R7000, R6900P, R7100LG, R7900, R8000, R7900P, R8000P, and RAX80 are impacted by this vulnerability prior to specific firmware versions.
Exploitation Mechanism
The vulnerability can be exploited by a user with high privileges, enabling them to inject malicious commands post-authentication.
Mitigation and Prevention
This section outlines actionable steps to mitigate the risks associated with CVE-2021-38519 and prevent potential exploits.
Immediate Steps to Take
Users are advised to update their affected NETGEAR devices to the latest firmware versions to eliminate the vulnerability and enhance security.
Long-Term Security Practices
Implementing robust access controls, network segmentation, and regular security audits can bolster the overall security posture of devices and networks.
Patching and Updates
Regularly checking for firmware updates from NETGEAR and promptly applying them is crucial to address known vulnerabilities and enhance device security.