CVE-2021-27146 Explained : Impact and Mitigation

A vulnerability has been identified in FiberHome HG6245D devices through RP2613, allowing unauthorized access to admin credentials.

Understanding CVE-2021-27146

This CVE involves the exposure of hardcoded admin credentials in FiberHome HG6245D devices, posing a security risk to users and ISPs.

What is CVE-2021-27146?

The issue entails the presence of hardcoded admin / CUadmin credentials in the web daemon of FiberHome HG6245D devices.

The Impact of CVE-2021-27146

The vulnerability could be exploited by malicious actors to gain unauthorized access to sensitive information and control ISP-related settings.

Technical Details of CVE-2021-27146

The technical details of this CVE include:

Vulnerability Description

The web daemon on FiberHome HG6245D devices contains hardcoded admin / CUadmin credentials that are accessible to any individual.

Affected Systems and Versions

All FiberHome HG6245D devices through RP2613 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this issue by leveraging the exposed credentials to perform unauthorized actions on the device.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-27146, consider the following steps:

Immediate Steps to Take

Change the default admin credentials on the affected devices.
Implement network segmentation to limit access to sensitive systems.

Long-Term Security Practices

Regularly update device firmware and software to patch known vulnerabilities.
Conduct security audits to identify and address any weak points in the system.

Patching and Updates

Stay informed about security advisories from FiberHome and apply patches promptly to ensure the protection of your devices.