CVE-2022-44252 : Vulnerability Insights and Analysis

In this article, we will delve into the details of CVE-2022-44252, highlighting the vulnerability, its impact, technical aspects, and mitigation techniques.

Understanding CVE-2022-44252

CVE-2022-44252 involves a command injection vulnerability in TOTOLINK NR1800X V9.1.0u.6279_B20210910 through the FileName parameter in the setUploadSetting function.

What is CVE-2022-44252?

CVE-2022-44252 exposes a security flaw in TOTOLINK NR1800X routers, allowing attackers to inject and execute arbitrary commands through a specific parameter in the device's function.

The Impact of CVE-2022-44252

The exploitation of this vulnerability can lead to unauthorized access, data leakage, and potential takeover of the affected TOTOLINK NR1800X routers, compromising network security and privacy.

Technical Details of CVE-2022-44252

This section covers the vulnerability description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The vulnerability arises due to improper input validation in the FileName parameter, enabling threat actors to insert malicious commands and execute them within the context of the router's functions.

Affected Systems and Versions

TOTOLINK NR1800X V9.1.0u.6279_B20210910 routers are affected by CVE-2022-44252 when using the compromised setUploadSetting function.

Exploitation Mechanism

By sending crafted input containing malicious commands to the FileName parameter, attackers can trigger the command injection and gain unauthorized control over the router.

Mitigation and Prevention

To address CVE-2022-44252, immediate actions as well as long-term security practices, including patching and updates, are crucial.

Immediate Steps to Take

Users are advised to restrict access to vulnerable routers, monitor for any suspicious activities, and apply security patches provided by TOTOLINK to mitigate the risk of exploitation.

Long-Term Security Practices

Regularly updating firmware, implementing network segmentation, and following secure configuration guidelines can enhance the overall security posture and prevent future vulnerabilities.

Patching and Updates

Stay informed about security updates released by TOTOLINK for the affected NR1800X routers and apply patches promptly to prevent malicious actors from exploiting the command injection vulnerability.