CVE-2018-21138 : Security Advisory and Response
Learn about CVE-2018-21138 affecting NETGEAR D3600 and D6000 devices. Find out the impact, affected systems, and mitigation steps for this security misconfiguration vulnerability.
A security misconfiguration vulnerability affecting certain NETGEAR devices.
Understanding CVE-2018-21138
This CVE involves security settings misconfiguration on specific NETGEAR devices.
What is CVE-2018-21138?
Certain NETGEAR devices, specifically D3600 and D6000 models with versions prior to 1.0.0.76, are impacted by incorrect security settings configuration.
The Impact of CVE-2018-21138
- CVSS Base Score: 8.8 (High)
- Severity: High
- Attack Vector: Adjacent Network
- Confidentiality, Integrity, and Availability Impact: High
Technical Details of CVE-2018-21138
A detailed look at the technical aspects of this vulnerability.\n### Vulnerability Description The issue arises from incorrect security settings configuration on NETGEAR D3600 and D6000 devices.
Affected Systems and Versions
- Affected:
- NETGEAR D3600 devices before version 1.0.0.76
- NETGEAR D6000 devices before version 1.0.0.76
Exploitation Mechanism
The vulnerability can be exploited through adjacent network access, requiring no user interaction and no privileges.
Mitigation and Prevention
Steps to address and prevent exploitation of CVE-2018-21138.
Immediate Steps to Take
- Update affected devices to version 1.0.0.76 or later.
- Implement firewall rules to restrict network access.
Long-Term Security Practices
- Regularly update firmware and security patches.
- Conduct security audits to identify misconfigurations.
Patching and Updates
- Apply patches and updates provided by NETGEAR to address the security misconfiguration.