CVE-2022-26536 Explained : Impact and Mitigation

This article provides an in-depth analysis of CVE-2022-26536, a command injection vulnerability found in Tenda M3 1.10 V1.0.0.12(4856) through the component /goform/setFixTools.

Understanding CVE-2022-26536

CVE-2022-26536 is a security vulnerability that allows attackers to execute arbitrary commands on the affected Tenda M3 device, potentially leading to unauthorized access and control.

What is CVE-2022-26536?

The vulnerability found in Tenda M3 1.10 V1.0.0.12(4856) enables threat actors to inject malicious commands via the /goform/setFixTools component, compromising the device's security.

The Impact of CVE-2022-26536

Exploitation of this vulnerability could result in unauthorized access, data theft, and complete compromise of the affected Tenda M3 device. Attackers can remotely execute commands with elevated privileges.

Technical Details of CVE-2022-26536

This section delves into the specific technical aspects of the CVE, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The command injection vulnerability in Tenda M3 1.10 V1.0.0.12(4856) allows attackers to execute arbitrary commands by manipulating inputs to the /goform/setFixTools component, posing a serious threat to the device's security.

Affected Systems and Versions

The affected system is the Tenda M3 device running version 1.10 V1.0.0.12(4856). This specific version is susceptible to the command injection exploit via the /goform/setFixTools component.

Exploitation Mechanism

Attackers can exploit CVE-2022-26536 by sending specially crafted inputs to the vulnerable /goform/setFixTools component, tricking the system into executing arbitrary commands with the same privileges as the application.

Mitigation and Prevention

In order to protect systems from CVE-2022-26536, immediate steps should be taken to secure vulnerable Tenda M3 devices and prevent potential exploitation.

Immediate Steps to Take

Update Tenda M3 devices to the latest firmware version to patch the command injection vulnerability.
Implement proper network segmentation to restrict access to vulnerable devices.

Long-Term Security Practices

Regularly monitor for security updates and apply patches promptly to prevent known vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential security flaws proactively.

Patching and Updates

Vendor-supplied patches should be applied as soon as they are available to mitigate the CVE-2022-26536 risk and enhance the overall security posture of Tenda M3 devices.