CVE-2022-37778 : Security Advisory and Response

This CVE article provides details about a remote command execution vulnerability affecting Phicomm routers.

Understanding CVE-2022-37778

This section delves into the impact, technical details, and mitigation strategies for CVE-2022-37778.

What is CVE-2022-37778?

The Phicomm routers FIR151B A2, FIR302E A2, FIR300B A2, and FIR303B A2 with version V3.0.1.17 are vulnerable to remote command execution via the current_time parameter of the time function.

The Impact of CVE-2022-37778

The vulnerability allows attackers to execute commands remotely, posing a significant risk to the confidentiality, integrity, and availability of the affected routers.

Technical Details of CVE-2022-37778

Explore the vulnerability description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The flaw in the current_time parameter of the time function enables threat actors to achieve remote command execution on the Phicomm routers.

Affected Systems and Versions

Phicomm routers with version V3.0.1.17, including FIR151B A2, FIR302E A2, FIR300B A2, and FIR303B A2, are susceptible to this vulnerability.

Exploitation Mechanism

Attackers can exploit the current_time parameter to execute malicious commands remotely, compromising the router's security.

Mitigation and Prevention

Learn the steps to immediately secure the routers and establish long-term security practices.

Immediate Steps to Take

Users should apply available patches promptly, change default credentials, restrict access, and monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update firmware, conduct security assessments, implement network segmentation, and educate users on secure practices.

Patching and Updates

Keep abreast of security updates from the vendor, install patches as soon as they are released, and follow best practices to enhance the security posture of Phicomm routers.