CVE-2021-45586 Explained : Impact and Mitigation
Discover how CVE-2021-45586 impacts certain NETGEAR devices with command injection, affecting confidentiality, integrity, and availability. Learn about the risk, mitigation, and prevention strategies.
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects RBK752 before 3.2.16.6, RBR750 before 3.2.16.6, RBS750 before 3.2.16.6, RBK852 before 3.2.16.6, RBR850 before 3.2.16.6, and RBS850 before 3.2.16.6.
Understanding CVE-2021-45586
Certain NETGEAR devices are susceptible to command injection by authenticated users, potentially leading to severe consequences.
What is CVE-2021-45586?
Command injection vulnerability affecting specific NETGEAR devices where authenticated users could execute arbitrary commands.
The Impact of CVE-2021-45586
This vulnerability has a high severity level with significant impacts on confidentiality, availability, and integrity due to the potential execution of unauthorized commands.
Technical Details of CVE-2021-45586
NETGEAR devices are at risk due to a critical command injection vulnerability, providing attackers with unauthorized access.
Vulnerability Description
- Attack Vector: ADJACENT_NETWORK
- Attack Complexity: LOW
- Privileges Required: HIGH
- User Interaction: NONE
- Scope: CHANGED
- Confidentiality Impact: HIGH
- Integrity Impact: HIGH
- Availability Impact: HIGH
Affected Systems and Versions
- RBK752 before 3.2.16.6
- RBR750 before 3.2.16.6
- RBS750 before 3.2.16.6
- RBK852 before 3.2.16.6
- RBR850 before 3.2.16.6
- RBS850 before 3.2.16.6
Exploitation Mechanism
The vulnerability allows authenticated users to inject and execute arbitrary commands, posing a significant threat to the security of affected devices.
Mitigation and Prevention
It is crucial to take immediate action to mitigate the risks posed by CVE-2021-45586.
Immediate Steps to Take
- Update affected devices to the patched versions provided by NETGEAR.
- Monitor network activities for any suspicious behavior.
- Limit user access privileges to minimize the impact of potential attacks.
Long-Term Security Practices
- Conduct regular security audits and assessments to identify vulnerabilities promptly.
- Educate users on safe practices to prevent unauthorized access.
- Implement network segmentation to isolate critical devices from potential threats.
Patching and Updates
- Apply the latest firmware updates from NETGEAR to address the command injection vulnerability effectively.