CVE-2021-27151 Explained : Impact and Mitigation

This article provides details on CVE-2021-27151, a vulnerability discovered in FiberHome HG6245D devices through RP2613 that exposes hardcoded credentials for an ISP.

Understanding CVE-2021-27151

This section delves into the impact and technical aspects of CVE-2021-27151.

What is CVE-2021-27151?

CVE-2021-27151 is a security issue found in FiberHome HG6245D devices where the web daemon contains hardcoded credentials, potentially risking the security of an ISP.

The Impact of CVE-2021-27151

The hardcoded rootmet / m3tr0r00t credentials can lead to unauthorized access and compromise the confidentiality of sensitive information.

Technical Details of CVE-2021-27151

Explore the technical specifics of CVE-2021-27151 to understand how the vulnerability operates.

Vulnerability Description

The vulnerability allows threat actors to access the ISP's systems using the hardcoded credentials, posing a severe security risk.

Affected Systems and Versions

FiberHome HG6245D devices through RP2613 are affected by this vulnerability, potentially impacting the security of these devices.

Exploitation Mechanism

By leveraging the exposed rootmet / m3tr0r00t credentials, malicious actors can exploit this vulnerability to gain unauthorized access.

Mitigation and Prevention

Discover the necessary steps to safeguard against CVE-2021-27151 and prevent security breaches.

Immediate Steps to Take

Immediately change the default credentials on FiberHome HG6245D devices to unique and strong passwords to mitigate the risk of unauthorized access.

Long-Term Security Practices

Ensure regular security audits, firmware updates, and password changes to enhance the overall security posture and protect against similar vulnerabilities.

Patching and Updates

Stay informed about security patches released by FiberHome to address CVE-2021-27151 and promptly apply these updates to secure vulnerable devices.