CVE-2022-28906 Explained : Impact and Mitigation

This article discusses a command injection vulnerability identified as CVE-2022-28906 in TOTOLink N600R V5.3c.7159_B20190425 firmware version. It allows malicious actors to execute arbitrary commands by exploiting the langtype parameter in /setting/setLanguageCfg.

Understanding CVE-2022-28906

This section provides insights into the nature and impact of the CVE-2022-28906 vulnerability.

What is CVE-2022-28906?

CVE-2022-28906 is a command injection vulnerability discovered in the TOTOLink N600R V5.3c.7159_B20190425 firmware version. This vulnerability can be exploited via the langtype parameter in the /setting/setLanguageCfg endpoint.

The Impact of CVE-2022-28906

The vulnerability in TOTOLink N600R V5.3c.7159_B20190425 firmware version enables attackers to execute arbitrary commands on the target system. This can lead to unauthorized access, data theft, and potentially complete system compromise.

Technical Details of CVE-2022-28906

Explore the technical specifics of CVE-2022-28906 to understand its implications and potential risks.

Vulnerability Description

CVE-2022-28906 arises due to improper input validation in the langtype parameter of the /setting/setLanguageCfg endpoint, allowing threat actors to inject and execute malicious commands on the affected device.

Affected Systems and Versions

TOTOLink N600R V5.3c.7159_B20190425 firmware version is confirmed to be vulnerable to CVE-2022-28906. Users operating this specific firmware should be cautious and take necessary actions to mitigate the risk.

Exploitation Mechanism

Malicious actors can exploit CVE-2022-28906 by sending crafted requests to the /setting/setLanguageCfg endpoint with malicious commands included in the langtype parameter, leading to unauthorized command execution.

Mitigation and Prevention

Learn how to protect your systems and networks from the CVE-2022-28906 vulnerability through effective mitigation strategies.

Immediate Steps to Take

Immediate steps include restricting access to vulnerable devices, applying security patches provided by the vendor, and monitoring network traffic for any suspicious activity.

Long-Term Security Practices

Implement robust cybersecurity practices such as regular security assessments, employee training on identifying phishing attempts, and maintaining up-to-date security protocols to prevent similar vulnerabilities in the future.

Patching and Updates

Always prioritize applying security patches and firmware updates released by the vendor to address known vulnerabilities like CVE-2022-28906 and enhance the overall security posture of your systems.