CVE-2022-47853 : Security Advisory and Response

A detailed overview of the Command Injection Vulnerability in TOTOlink A7100RU V7.4cu.2313_B20191024, allowing attackers to obtain a stable root shell.

Understanding CVE-2022-47853

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2022-47853.

What is CVE-2022-47853?

The CVE-2022-47853 refers to a Command Injection Vulnerability present in the httpd service of TOTOlink A7100RU V7.4cu.2313_B20191024. Exploiting this vulnerability enables attackers to gain a stable root shell by utilizing a specifically crafted payload.

The Impact of CVE-2022-47853

The impact of CVE-2022-47853 is severe as it allows threat actors to execute arbitrary commands on the affected system, potentially leading to unauthorized access, data theft, and system compromise.

Technical Details of CVE-2022-47853

This section delves deeper into the vulnerability description, affected systems, and the exploitation mechanism associated with CVE-2022-47853.

Vulnerability Description

The vulnerability lies in the httpd service of TOTOlink A7100RU V7.4cu.2313_B20191024, enabling command injection. Attackers can leverage this flaw to inject and execute malicious commands, ultimately gaining root access to the device.

Affected Systems and Versions

The Command Injection Vulnerability impacts TOTOlink A7100RU V7.4cu.2313_B20191024 without any specific affected vendor or product versions noted.

Exploitation Mechanism

By sending a carefully crafted payload through the httpd service, threat actors can exploit the vulnerability to execute arbitrary commands and elevate their privileges to root level.

Mitigation and Prevention

This section outlines immediate steps and long-term security practices to mitigate the risks posed by CVE-2022-47853.

Immediate Steps to Take

To address CVE-2022-47853, users should apply security patches promptly, restrict network access to vulnerable services, and monitor for any suspicious activities on the network.

Long-Term Security Practices

Implementing network segmentation, regularly updating firmware and software, conducting security audits, and providing security awareness training are recommended long-term security measures to enhance overall resilience.

Patching and Updates

Regularly check for security updates and patches released by TOTOlink to address the Command Injection Vulnerability in the affected device.