CVE-2018-21130 : What You Need to Know

A number of NETGEAR devices are vulnerable to command injection from an unauthorized attacker. This vulnerability specifically impacts WAC505 versions earlier than 5.0.0.17 and WAC510 versions earlier than 5.0.0.17.

Understanding CVE-2018-21130

This CVE involves command injection vulnerability in certain NETGEAR devices, affecting specific versions of WAC505 and WAC510.

What is CVE-2018-21130?

CVE-2018-21130 is a security vulnerability that allows an unauthenticated attacker to execute commands on affected NETGEAR devices.

The Impact of CVE-2018-21130

The vulnerability has a high severity level with significant impacts on confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2018-21130

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability allows unauthorized attackers to perform command injection on vulnerable NETGEAR devices.

Affected Systems and Versions

Vulnerable devices: NETGEAR WAC505 versions prior to 5.0.0.17 and WAC510 versions before 5.0.0.17.

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Adjacent Network
Privileges Required: None
User Interaction: None
Scope: Unchanged
Vector String: CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N

Mitigation and Prevention

Protecting systems from CVE-2018-21130 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update affected devices to versions 5.0.0.17 or later.
Implement network segmentation to limit exposure.

Long-Term Security Practices

Regularly monitor for security advisories and updates from NETGEAR.
Conduct security assessments and penetration testing on network devices.

Patching and Updates

Apply patches and firmware updates provided by NETGEAR to address the vulnerability.