CVE-2022-46546 Explained : Impact and Mitigation

A buffer overflow vulnerability was discovered in Tenda F1203 V2.0.1.6, specifically in the entrys parameter at /goform/RouteStatic.

Understanding CVE-2022-46546

This section will provide an overview of the CVE-2022-46546 vulnerability.

What is CVE-2022-46546?

The CVE-2022-46546 vulnerability involves a buffer overflow in the Tenda F1203 V2.0.1.6 router, which can be exploited through the entrys parameter in the /goform/RouteStatic endpoint.

The Impact of CVE-2022-46546

This vulnerability can allow an attacker to execute arbitrary code or trigger a denial of service (DoS) condition on the affected system.

Technical Details of CVE-2022-46546

In this section, we will delve into the technical aspects of the CVE-2022-46546 vulnerability.

Vulnerability Description

The buffer overflow vulnerability in Tenda F1203 V2.0.1.6 occurs due to improper input validation of the entrys parameter in the /goform/RouteStatic endpoint.

Affected Systems and Versions

The affected system is Tenda F1203 V2.0.1.6 with the specified vulnerable versions.

Exploitation Mechanism

An attacker can exploit this vulnerability by sending specially crafted input to the entrys parameter, leading to a buffer overflow condition.

Mitigation and Prevention

This section focuses on the measures to mitigate and prevent exploitation of CVE-2022-46546.

Immediate Steps to Take

It is recommended to update the firmware of the Tenda F1203 router to a non-vulnerable version and restrict network access to the device.

Long-Term Security Practices

Implement secure coding practices, conduct regular security audits, and educate users about the importance of cybersecurity to prevent similar vulnerabilities.

Patching and Updates

Stay informed about security updates from Tenda and apply patches promptly to address known vulnerabilities.