CVE-2022-26518 : Security Advisory and Response

An OS command injection vulnerability in the InRouter302 V3.5.37 by InHand Networks allows remote code execution through specially-crafted network requests.

Understanding CVE-2022-26518

This CVE involves an OS command injection vulnerability in a specific functionality of InHand Networks' InRouter302, enabling attackers to execute malicious code remotely.

What is CVE-2022-26518?

CVE-2022-26518 is an OS command injection vulnerability in the console infactory_net feature of InHand Networks InRouter302 V3.5.37. Exploiting this flaw requires a series of network requests, potentially resulting in remote code execution.

The Impact of CVE-2022-26518

With a CVSS base score of 9.9 (Critical), this vulnerability poses a high risk to confidentiality, integrity, and availability. An attacker could exploit the flaw to execute arbitrary commands on the target system.

Technical Details of CVE-2022-26518

This section delves into the specifics of the vulnerability, including the affected systems, exploitation mechanism, and preventive measures.

Vulnerability Description

The vulnerability arises from improper input validation in the infactory_net console functionality, enabling attackers to inject and execute malicious commands on vulnerable systems.

Affected Systems and Versions

InRouter302 devices running version V3.5.37 are affected by this vulnerability. Users of this specific version should take immediate action to mitigate the risk.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a crafted sequence of network requests to the targeted InRouter302 device, ultimately achieving remote code execution.

Mitigation and Prevention

To protect systems from CVE-2022-26518, users and administrators should follow these immediate steps and adopt long-term security practices.

Immediate Steps to Take

Update the InRouter302 firmware to a patched version that addresses the OS command injection vulnerability.
Restrict network access to critical devices and ensure firewall rules are in place to filter out potentially malicious traffic.

Long-Term Security Practices

Regularly monitor vendor security advisories for updates related to known vulnerabilities in InRouter302 and other network devices.
Conduct periodic security assessments and penetration testing to identify and address potential security weaknesses.

Patching and Updates

InHand Networks has released a security advisory detailing the vulnerability and providing necessary patches. Users are advised to apply the latest updates promptly to safeguard their systems.