CVE-2021-38470 : What You Need to Know

InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 are vulnerable to an attacker using a ping tool to inject commands into the device, potentially leading to remote command execution.

Understanding CVE-2021-38470

These vulnerabilities in the InHand Networks IR615 Router pose a critical security risk due to the potential for remote command execution.

What is CVE-2021-38470?

The CVE-2021-38470 vulnerability affects InHand Networks IR615 Router versions 2.3.0.r4724 and 2.3.0.r4870.
It allows an attacker to inject commands into the device using a ping tool, enabling remote command execution.

The Impact of CVE-2021-38470

CVSS Base Score: 9.1 (Critical)
Attack Vector: Network
Attack Complexity: Low
Privileges Required: High
User Interaction: None
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
Scope: Changed
This vulnerability may result in unauthorized remote execution of commands on the device, compromising confidentiality, integrity, and availability.

Technical Details of CVE-2021-38470

These technical details provide insights into the nature of the vulnerability.

Vulnerability Description

The vulnerability stems from improper neutralization of special elements used in an OS command, specifically in command injection (CWE-78).

Affected Systems and Versions

Affected Product: InHand Networks IR615 Router
Vendor: InHand Networks
Vulnerable Versions: 2.3.0.r4724 and 2.3.0.r4870

Exploitation Mechanism

Attackers can exploit this vulnerability by utilizing a ping tool to inject malicious commands into the device, leading to potential remote command execution.

Mitigation and Prevention

It is crucial to understand the steps to mitigate and prevent the exploitation of CVE-2021-38470.

Immediate Steps to Take

Users of the affected product should consider the following immediate actions:
Contact InHand Networks customer support for assistance.

Long-Term Security Practices

To enhance overall cybersecurity posture, consider implementing these practices:
Regularly update and patch the device firmware.
Implement network segmentation to limit the impact of potential intrusions.

Patching and Updates

InHand Networks has not responded to requests to work with CISA to address these vulnerabilities. Users are encouraged to proactively seek updates and patches from the vendor.