CVE-2018-21152 : Vulnerability Insights and Analysis
Learn about CVE-2018-21152 affecting NETGEAR devices. Understand the impact, affected systems, exploitation mechanism, and mitigation steps to secure your devices.
NETGEAR devices are vulnerable to command injection by authenticated users, impacting various models such as D7800, R7500v2, R7800, R8900, R9000, WNDR4300v2, and WNDR4500v3.
Understanding CVE-2018-21152
This CVE involves command injection vulnerabilities in several NETGEAR devices when accessed by authenticated users.
What is CVE-2018-21152?
The vulnerability allows authenticated users to execute arbitrary commands on affected NETGEAR devices, potentially leading to unauthorized access and control.
The Impact of CVE-2018-21152
- CVSS Base Score: 6.8 (Medium Severity)
- Attack Vector: Adjacent Network
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Privileges Required: High
- Scope: Unchanged
- User Interaction: None
Technical Details of CVE-2018-21152
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability allows authenticated users to perform command injection on affected NETGEAR devices, compromising their security.
Affected Systems and Versions
- D7800 (version 1.0.1.34 and earlier)
- R7500v2 (version 1.0.3.26 and earlier)
- R7800 (version 1.0.2.42 and earlier)
- R8900 (version 1.0.3.10 and earlier)
- R9000 (version 1.0.3.10 and earlier)
- WNDR4300v2 (version 1.0.0.54 and earlier)
- WNDR4500v3 (version 1.0.0.54 and earlier)
Exploitation Mechanism
The vulnerability can be exploited by authenticated users to inject and execute malicious commands on the affected NETGEAR devices.
Mitigation and Prevention
To address CVE-2018-21152, users should take immediate and long-term security measures.
Immediate Steps to Take
- Update affected devices to the latest firmware provided by NETGEAR.
- Restrict network access to vulnerable devices.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update firmware and security patches.
- Implement strong authentication mechanisms.
- Conduct security audits and penetration testing.
Patching and Updates
NETGEAR has released patches to address the command injection vulnerability. Users should promptly apply these updates to secure their devices.