CVE-2018-21128 : Security Advisory and Response
Learn about CVE-2018-21128, a high-severity authentication bypass vulnerability affecting NETGEAR WAC505 and WAC510 units. Find mitigation steps and patching information here.
A number of NETGEAR devices are experiencing an issue with authentication bypass, specifically impacting WAC505 units before version 5.0.0.17 and WAC510 units before version 5.0.0.17.
Understanding CVE-2018-21128
This CVE involves an authentication bypass vulnerability affecting certain NETGEAR devices.
What is CVE-2018-21128?
CVE-2018-21128 is a security vulnerability that allows unauthorized users to bypass authentication on NETGEAR devices, particularly impacting WAC505 and WAC510 units.
The Impact of CVE-2018-21128
The vulnerability has a high severity level with a CVSS base score of 8.8, posing risks to confidentiality, integrity, and availability of affected systems.
Technical Details of CVE-2018-21128
This section provides detailed technical information about the CVE.
Vulnerability Description
The vulnerability allows attackers to bypass authentication on NETGEAR devices, potentially leading to unauthorized access.
Affected Systems and Versions
- WAC505 units before version 5.0.0.17
- WAC510 units before version 5.0.0.17
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Adjacent Network
- Privileges Required: None
- User Interaction: None
Mitigation and Prevention
Protecting systems from CVE-2018-21128 is crucial to maintaining security.
Immediate Steps to Take
- Update affected devices to version 5.0.0.17 or later.
- Implement strong network access controls.
- Monitor for any unauthorized access attempts.
Long-Term Security Practices
- Regularly update firmware and security patches.
- Conduct security audits and assessments periodically.
Patching and Updates
- NETGEAR has released patches addressing the authentication bypass issue. Ensure timely installation of these updates.