CVE-2022-4390 : What You Need to Know

A network misconfiguration in NETGEAR Nighthawk RAX30 routers could allow unauthorized access to services.

Understanding CVE-2022-4390

This CVE identifies a network misconfiguration in NETGEAR RAX30 AX2400 series of routers that could lead to unauthorized access to services intended only for local network clients.

What is CVE-2022-4390?

The vulnerability arises from IPv6 being enabled on the WAN interface without proper access restrictions, allowing attackers to interact with services like SSH and Telnet.

The Impact of CVE-2022-4390

Attackers could exploit this misconfiguration to access services meant for local clients, compromising the security and confidentiality of the device.

Technical Details of CVE-2022-4390

This section provides more insight into the vulnerability.

Vulnerability Description

The misconfiguration in NETGEAR RAX30 routers enables arbitrary access to services via IPv6 on the WAN interface.

Affected Systems and Versions

The affected product is NETGEAR Nighthawk WiFi6 Router prior to version V1.0.9.90.

Exploitation Mechanism

Attackers can exploit this vulnerability to access services like SSH and Telnet meant for local network clients.

Mitigation and Prevention

Learn how to mitigate the risk and prevent unauthorized access.

Immediate Steps to Take

Disable IPv6 or implement proper access restrictions on the WAN interface to prevent unauthorized access to services.

Long-Term Security Practices

Regularly update firmware and implement best security practices to protect against similar vulnerabilities in the future.

Patching and Updates

Apply the latest firmware update provided by NETGEAR to address this network misconfiguration.