CVE-2022-27273 : Security Advisory and Response

InHand Networks InRouter 900 Industrial 4G Router before v1.0.0.r11700 has been found to have a critical remote code execution (RCE) vulnerability, allowing attackers to execute malicious code via a specially crafted packet.

Understanding CVE-2022-27273

This CVE pertains to a specific vulnerability in the InRouter 900 Industrial 4G Router that exposes it to remote code execution attacks, posing a significant threat to the security of the device.

What is CVE-2022-27273?

The CVE-2022-27273 vulnerability in the InRouter 900 Industrial 4G Router before v1.0.0.r11700 enables threat actors to remotely execute arbitrary code through the exploitation of a particular function, sub_12168, using a maliciously crafted packet.

The Impact of CVE-2022-27273

This vulnerability could allow malicious entities to compromise the affected router, leading to unauthorized code execution, data theft, network manipulation, and potentially complete control over the device.

Technical Details of CVE-2022-27273

This section dives into the specifics of the vulnerability, detailing the affected systems, exploitation mechanism, and potential risks associated with CVE-2022-27273.

Vulnerability Description

The CVE-2022-27273 vulnerability in the InRouter 900 Industrial 4G Router before v1.0.0.r11700 arises from inadequate input validation in the function sub_12168, which can be exploited by sending a malicious packet to trigger remote code execution.

Affected Systems and Versions

The impacted system is the InRouter 900 Industrial 4G Router with versions before v1.0.0.r11700. Users with this specific router version are at risk of exploitation and need to take immediate action to mitigate the threat.

Exploitation Mechanism

Exploiting CVE-2022-27273 involves crafting a malicious packet specially designed to trigger the vulnerable function sub_12168, allowing threat actors to remotely execute arbitrary code on the targeted device.

Mitigation and Prevention

Protecting systems from CVE-2022-27273 requires a proactive approach that includes immediate mitigation steps and the establishment of robust security practices.

Immediate Steps to Take

Users should update their InRouter 900 Industrial 4G Router to version v1.0.0.r11700 or later, which contains the necessary security patches to address the RCE vulnerability. Additionally, network segmentation and access controls can help limit exposure to potential attacks.

Long-Term Security Practices

Implementing regular security assessments, staying informed about security updates, and training employees on cybersecurity best practices are essential for maintaining a secure network and preventing future vulnerabilities.

Patching and Updates

Regularly monitoring for firmware updates and applying patches promptly is crucial for safeguarding against known vulnerabilities like CVE-2022-27273. Ensuring that all devices are running the latest software versions can significantly reduce the risk of exploitation.