CVE-2022-35401 Explained : Impact and Mitigation

An authentication bypass vulnerability in Asus RT-AX82U 3.0.0.4.386_49674-ge182230 allows full administrative access to the device through a specially crafted HTTP request.

Understanding CVE-2022-35401

This CVE identifies a critical vulnerability in Asus RT-AX82U routers that could be exploited by an attacker to gain complete control over the device.

What is CVE-2022-35401?

The vulnerability in the get_IFTTTTtoken.cgi functionality of Asus RT-AX82U allows an attacker to achieve full administrative access to the device by sending specific HTTP requests.

The Impact of CVE-2022-35401

The impact of this vulnerability is rated as critical with a CVSS base score of 9.0. It can result in high confidentiality, integrity, and availability impacts on affected systems.

Technical Details of CVE-2022-35401

This section delves into the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability arises from an authentication bypass issue that exists in the get_IFTTTTtoken.cgi function of Asus RT-AX82U.

Affected Systems and Versions

The affected product is Asus RT-AX82U with version 3.0.0.4.386_49674-ge182230.

Exploitation Mechanism

Exploiting this vulnerability requires an attacker to carefully craft and send a series of HTTP requests to the targeted device.

Mitigation and Prevention

To address CVE-2022-35401, immediate actions and long-term security measures should be implemented.

Immediate Steps to Take

Users are advised to apply vendor-provided patches or mitigations to safeguard their Asus RT-AX82U routers.

Long-Term Security Practices

Enhancing network security measures, such as using firewalls and implementing strict access controls, can help prevent unauthorized access.

Patching and Updates

Regularly updating firmware and monitoring security advisories from Asus can ensure that known vulnerabilities are promptly addressed.