CVE-2021-27157 : Vulnerability Insights and Analysis

An issue was discovered on FiberHome HG6245D devices through RP2613. The web daemon contains the hardcoded admin / 888888 credentials for an ISP.

Understanding CVE-2021-27157

This CVE highlights a security issue in FiberHome HG6245D devices that exposes hardcoded admin credentials.

What is CVE-2021-27157?

CVE-2021-27157 refers to a vulnerability in FiberHome HG6245D devices running RP2613, where the web daemon includes predetermined admin login credentials.

The Impact of CVE-2021-27157

The hardcoded credentials pose a significant risk as unauthorized users could potentially access sensitive information or make unauthorized changes on affected devices.

Technical Details of CVE-2021-27157

This section delves into the technical specifics of the vulnerability.

Vulnerability Description

The vulnerability allows threat actors to exploit the hardcoded admin credentials in the web daemon of FiberHome HG6245D devices.

Affected Systems and Versions

FiberHome HG6245D devices through RP2613 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this flaw by leveraging the hardcoded admin credentials to gain unauthorized access to the devices.

Mitigation and Prevention

Here are the measures to mitigate and prevent the security risks associated with CVE-2021-27157.

Immediate Steps to Take

Users should immediately change the default admin credentials on FiberHome HG6245D devices to unique, strong passwords to prevent unauthorized access.

Long-Term Security Practices

Regularly updating firmware, implementing network segmentation, and conducting security audits are essential for long-term security.

Patching and Updates

Vendors are advised to release patches or firmware updates to remove the hardcoded admin credentials from the affected devices.