CVE-2022-45498 : Security Advisory and Response

An issue in the component tpi_systool_handle(0) of Tenda W6-S v1.0.0.4(510) allows unauthenticated attackers to arbitrarily reboot the device.

Understanding CVE-2022-45498

This CVE pertains to a vulnerability in the Tenda W6-S router that enables unauthenticated attackers to perform unauthorized reboots.

What is CVE-2022-45498?

CVE-2022-45498 is a security flaw in the component tpi_systool_handle(0) of Tenda W6-S v1.0.0.4(510) that permits attackers to reboot the device without proper authorization.

The Impact of CVE-2022-45498

This vulnerability can be exploited by malicious actors to disrupt network services, cause denial of service, or even launch further attacks on the affected device.

Technical Details of CVE-2022-45498

This section covers the specific technical aspects of the CVE.

Vulnerability Description

The CVE arises due to inadequate access controls in the tpi_systool_handle(0) component, allowing unauthorized reboots through the /goform/SysToolReboot endpoint.

Affected Systems and Versions

The vulnerability affects Tenda W6-S v1.0.0.4(510) devices where the specified component is present.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending crafted requests to the /goform/SysToolReboot endpoint without requiring authentication.

Mitigation and Prevention

To address CVE-2022-45498, immediate actions and long-term security practices are essential.

Immediate Steps to Take

Users should restrict network access to the device, apply security updates, and monitor for any unauthorized reboots.

Long-Term Security Practices

Implement strong access controls, regularly update firmware, conduct security assessments, and educate users on secure practices.

Patching and Updates

It is crucial to install patches provided by Tenda to fix the vulnerability and prevent unauthorized reboots.