CVE-2021-38529 : Exploit Details and Defense Strategies
Discover the impact of CVE-2021-38529, a high-severity command injection vulnerability in certain NETGEAR devices (D7800, R7800, R8900, R9000) that allows unauthenticated attackers to execute malicious commands.
A command injection vulnerability has been identified in certain NETGEAR devices, allowing an unauthenticated attacker to execute malicious commands. This CVE affects specific versions of D7800, R7800, R8900, and R9000 routers.
Understanding CVE-2021-38529
This section provides an overview of the CVE-2021-38529 vulnerability, including its impact and technical details.
What is CVE-2021-38529?
CVE-2021-38529 discloses a command injection flaw in NETGEAR devices, enabling unauthorized users to run arbitrary commands on affected routers. This vulnerability can lead to a compromise of confidentiality, integrity, and availability.
The Impact of CVE-2021-38529
The CVSS v3.1 base score of 8.3 categorizes this vulnerability as HIGH severity. With a LOW attack complexity and required privileges of NONE, the exploit poses a significant risk to affected systems, potentially resulting in data breaches and service disruptions.
Technical Details of CVE-2021-38529
Explore the specific details surrounding the CVE-2021-38529 vulnerability, including its description, affected systems, and exploitation mechanism.
Vulnerability Description
NETGEAR devices are susceptible to command injection by unauthenticated attackers, with known affected versions including D7800 before 1.0.1.56, R7800 before 1.0.2.68, R8900 before 1.0.4.26, and R9000 before 1.0.4.26.
Affected Systems and Versions
The versions impacted by CVE-2021-38529 are D7800 (prior to 1.0.1.56), R7800 (prior to 1.0.2.68), R8900 (prior to 1.0.4.26), and R9000 (prior to 1.0.4.26).
Exploitation Mechanism
The vulnerability allows attackers to inject malicious commands into vulnerable NETGEAR routers without the need for authentication, potentially leading to unauthorized access and control.
Mitigation and Prevention
Discover the necessary steps to safeguard against CVE-2021-38529 and prevent exploitation on vulnerable NETGEAR devices.
Immediate Steps to Take
NETGEAR users should apply the latest firmware updates provided by the manufacturer to patch the vulnerability and enhance device security.
Long-Term Security Practices
To fortify network defenses, users are advised to implement strong access controls, regular security audits, and network segmentation to mitigate the risk of future attacks.
Patching and Updates
Regularly monitor for firmware updates from NETGEAR and promptly install patches to address known security vulnerabilities and protect against potential exploits.