CVE-2022-47208 : Security Advisory and Response

A command injection vulnerability has been identified in the 'cpuhttpsniff' service of NETGEAR Nighthawk WiFi6 Routers prior to version V1.0.9.90. This vulnerability could allow an unauthenticated attacker to execute malicious commands on the device.

Understanding CVE-2022-47208

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2022-47208.

What is CVE-2022-47208?

The 'cpuhttpsniff' service, which comes enabled by default, is vulnerable to command injection due to improperly sanitized user input. An attacker within the same network segment as the router can exploit this issue to run arbitrary commands on the device without the need for authentication.

The Impact of CVE-2022-47208

The vulnerability poses a significant security risk as it allows attackers to gain unauthorized access to the affected router, potentially leading to further compromise of the network infrastructure and sensitive data.

Technical Details of CVE-2022-47208

Here are the specific technical details regarding the vulnerability.

Vulnerability Description

The vulnerability arises from the lack of proper input validation in the 'cpuhttpsniff' service, enabling attackers to inject and execute arbitrary commands on the vulnerable device.

Affected Systems and Versions

The issue affects NETGEAR Nighthawk WiFi6 Routers prior to version V1.0.9.90.

Exploitation Mechanism

An unauthenticated attacker positioned within the same network segment as the router can exploit this vulnerability to remotely execute malicious commands without authentication.

Mitigation and Prevention

Protecting systems from CVE-2022-47208 requires immediate actions and long-term security measures.

Immediate Steps to Take

Disable the 'cpuhttpsniff' service on the affected NETGEAR Nighthawk WiFi6 Routers to mitigate the risk of exploitation.
Implement network segmentation to limit access to critical devices and services.

Long-Term Security Practices

Regularly monitor for security advisories and updates from the vendor to apply patches promptly.
Conduct security assessments and penetration testing to proactively identify and address vulnerabilities.

Patching and Updates

Ensure that the affected routers are updated to version V1.0.9.90 or later to remediate the command injection vulnerability.