CVE-2018-21127 : Vulnerability Insights and Analysis
Learn about CVE-2018-21127, a high-severity command injection vulnerability impacting certain NETGEAR devices. Find out the affected systems, exploitation risks, and mitigation steps.
A command injection vulnerability affecting certain NETGEAR devices.
Understanding CVE-2018-21127
Command injection by an unauthorized attacker impacts specific NETGEAR devices, including WAC505 and WAC510.
What is CVE-2018-21127?
This CVE involves an unauthorized attacker executing commands on affected NETGEAR devices, specifically WAC505 and WAC510.
The Impact of CVE-2018-21127
- CVSS Base Score: 8.8 (High)
- Attack Vector: Adjacent Network
- Confidentiality, Integrity, and Availability Impact: High
- Privileges Required: None
- Scope: Unchanged
- This vulnerability poses a significant risk to the confidentiality, integrity, and availability of the affected systems.
Technical Details of CVE-2018-21127
Vulnerability Description
The vulnerability allows an unauthorized attacker to perform command injections on NETGEAR devices, potentially leading to unauthorized access and control.
Affected Systems and Versions
- Products: WAC505, WAC510
- Versions: Before 5.0.0.17
Exploitation Mechanism
The attacker can exploit this vulnerability by sending crafted commands to the affected devices, taking advantage of the lack of proper input validation.
Mitigation and Prevention
Immediate Steps to Take
- Update affected devices to version 5.0.0.17 or later.
- Implement network segmentation to limit the impact of potential attacks.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update firmware and security patches on all network devices.
- Conduct security assessments and penetration testing to identify and address vulnerabilities.
Patching and Updates
- NETGEAR has released patches addressing this vulnerability. Ensure timely installation of these patches to secure the affected devices.