CVE-2021-29077 : Vulnerability Insights and Analysis
Learn about CVE-2021-29077 impacting NETGEAR devices like RBW30, RBS40V, RBK852, and more. Discover the severity, impacts, affected systems, and mitigation strategies.
Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This CVE affects multiple NETGEAR models including RBW30, RBS40V, RBK852, RBK853, RBK854, RBR850, RBS850, RBK752, RBK753, RBK753S, RBK754, RBR750, and RBS750.
Understanding CVE-2021-29077
This section provides insights into the impact and technical details of CVE-2021-29077.
What is CVE-2021-29077?
CVE-2021-29077 is a vulnerability in certain NETGEAR devices that allows an unauthenticated attacker to execute commands through command injection. This poses a critical risk to the security of the affected devices.
The Impact of CVE-2021-29077
The vulnerability has a CVSS base score of 9.6, indicating a critical severity level. It can result in high impacts on confidentiality, integrity, and availability, with no privileges required for exploitation.
Technical Details of CVE-2021-29077
This section delves into the specific technical aspects of the vulnerability.
Vulnerability Description
The vulnerability allows an attacker to perform command injection without authentication on the affected NETGEAR devices. This can lead to unauthorized access and potential compromise of the devices.
Affected Systems and Versions
NETGEAR devices including RBW30, RBS40V, RBK852, RBK853, RBK854, RBR850, RBS850, RBK752, RBK753, RBK753S, RBK754, RBR750, and RBS750 are impacted by this vulnerability.
Exploitation Mechanism
The vulnerability can be exploited by an attacker within the adjacent network without the need for user interaction, elevating the risk of unauthorized command execution.
Mitigation and Prevention
This section outlines the necessary steps to mitigate and prevent exploitation of CVE-2021-29077.
Immediate Steps to Take
Users are advised to update the affected devices to the patched versions provided by NETGEAR. Additionally, network segmentation and firewall rules can help limit the attack surface.
Long-Term Security Practices
Enforcing strong password policies, regular security audits, and network monitoring can enhance the overall security posture against similar vulnerabilities.
Patching and Updates
Regularly checking for security updates from NETGEAR and promptly applying patches is crucial to protect network infrastructure from potential threats.