CVE-2021-27152 : Vulnerability Insights and Analysis

This article provides detailed information about CVE-2021-27152, a vulnerability found in FiberHome HG6245D devices through RP2613 that exposes hardcoded credentials for an ISP.

Understanding CVE-2021-27152

This section explains the impact, technical details, and mitigation strategies related to CVE-2021-27152.

What is CVE-2021-27152?

CVE-2021-27152 is a security issue discovered on FiberHome HG6245D devices running RP2613. The vulnerability allows unauthorized access due to the presence of hardcoded credentials in the web daemon.

The Impact of CVE-2021-27152

The hardcoded credentials 'awnfibre / fibre@dm!n' can be exploited by attackers to gain unauthorized access to the affected devices, potentially compromising sensitive information and network security.

Technical Details of CVE-2021-27152

This section delves into the vulnerability description, affected systems, versions, and the exploitation mechanism.

Vulnerability Description

The web daemon on FiberHome HG6245D devices contains hardcoded credentials, posing a significant security risk to the affected devices.

Affected Systems and Versions

All FiberHome HG6245D devices running RP2613 are susceptible to this vulnerability due to the presence of the hardcoded credentials.

Exploitation Mechanism

Attackers can exploit the hardcoded credentials to gain unauthorized access to the web interface of the affected devices, allowing them to execute malicious actions.

Mitigation and Prevention

Protecting against CVE-2021-27152 is crucial to safeguarding device security and preventing unauthorized access.

Immediate Steps to Take

Immediately change the default 'awnfibre / fibre@dm!n' credentials on the FiberHome HG6245D devices to unique and strong passwords to mitigate the risk of unauthorized access.

Long-Term Security Practices

Implement a regular password rotation policy and conduct security audits to identify and address any other potential vulnerabilities in the network infrastructure.

Patching and Updates

Ensure that the devices are updated with the latest firmware and security patches provided by FiberHome to address the hardcoded credentials issue and enhance overall security.