CVE-2021-27143 : Security Advisory and Response

An issue was discovered on FiberHome HG6245D devices through RP2613 where the web daemon contains hardcoded user credentials for an ISP.

Understanding CVE-2021-27143

This CVE identifies a security issue on FiberHome HG6245D devices.

What is CVE-2021-27143?

CVE-2021-27143 reveals a vulnerability in FiberHome HG6245D devices where the web daemon holds hardcoded credentials for an ISP.

The Impact of CVE-2021-27143

The presence of hardcoded credentials poses a significant security risk by potentially allowing unauthorized access to the affected devices.

Technical Details of CVE-2021-27143

This section covers the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability involves the hardcoded user credentials 'user' and 'user1234' within the web daemon of the FiberHome HG6245D devices.

Affected Systems and Versions

The issue affects FiberHome HG6245D devices running through RP2613.

Exploitation Mechanism

Malicious actors may exploit this vulnerability by utilizing the hardcoded credentials to gain unauthorized access to the affected devices.

Mitigation and Prevention

Here are the necessary steps to mitigate the risks associated with CVE-2021-27143.

Immediate Steps to Take

It is recommended to change the default credentials and set strong, unique passwords to secure the affected devices.

Long-Term Security Practices

Implementing regular security audits, firmware updates, and monitoring for any unauthorized access attempts can enhance the long-term security posture.

Patching and Updates

Ensure timely application of vendor-released patches and firmware updates to address this vulnerability effectively.