CVE-2022-45509 : Exploit Details and Defense Strategies

This article provides details about CVE-2022-45509, a vulnerability found in Tenda W30E V1.0.1.25(633) that leads to a stack overflow via the account parameter at /goform/addUserName.

Understanding CVE-2022-45509

In this section, we will explore the nature of the CVE-2022-45509 vulnerability.

What is CVE-2022-45509?

The CVE-2022-45509 vulnerability affects Tenda W30E V1.0.1.25(633) by allowing a stack overflow through the account parameter at /goform/addUserName.

The Impact of CVE-2022-45509

This vulnerability can be exploited by attackers to potentially execute malicious code or crash the system, leading to a denial of service (DoS) condition.

Technical Details of CVE-2022-45509

Let's delve into the technical aspects of CVE-2022-45509.

Vulnerability Description

The vulnerability arises from inadequate input validation of the account parameter in the /goform/addUserName endpoint, enabling a stack overflow.

Affected Systems and Versions

Tenda W30E V1.0.1.25(633) is specifically impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious request to the /goform/addUserName endpoint with specially crafted data to trigger the stack overflow.

Mitigation and Prevention

Here, we discuss the steps to mitigate and prevent exploitation of CVE-2022-45509.

Immediate Steps to Take

It is recommended to restrict access to the /goform/addUserName endpoint and implement input validation to filter out malicious input.

Long-Term Security Practices

Regular security assessments, code reviews, and penetration testing can help identify and address similar vulnerabilities in the future.

Patching and Updates

Vendor-supplied patches or updates should be applied promptly to fix the vulnerability in Tenda W30E V1.0.1.25(633) and prevent potential exploitation.