CVE-2021-27154 : Exploit Details and Defense Strategies
Learn about CVE-2021-27154, a critical security vulnerability in FiberHome HG6245D devices enabling unauthorized access via hardcoded credentials. Find mitigation steps and preventive measures.
An issue was discovered on FiberHome HG6245D devices through RP2613. The web daemon contains the hardcoded admin/G0R2U1P2ag credentials for an ISP.
Understanding CVE-2021-27154
This CVE identifies a vulnerability in FiberHome HG6245D devices that exposes hardcoded credentials for an ISP.
What is CVE-2021-27154?
CVE-2021-27154 highlights a security flaw in FiberHome HG6245D devices, where the web daemon includes hardcoded admin/G0R2U1P2ag credentials. These credentials could be exploited by malicious actors to gain unauthorized access.
The Impact of CVE-2021-27154
The presence of hardcoded credentials poses a significant security risk as attackers can potentially access sensitive information or disrupt services by leveraging these credentials.
Technical Details of CVE-2021-27154
This section delves into the specific technical aspects of the vulnerability in FiberHome HG6245D devices.
Vulnerability Description
The vulnerability in FiberHome HG6245D devices allows unauthorized users to access the web daemon using the hardcoded admin/G0R2U1P2ag credentials, potentially leading to a breach of sensitive data.
Affected Systems and Versions
All FiberHome HG6245D devices through RP2613 are affected by this vulnerability due to the hardcoded credentials present in the web daemon.
Exploitation Mechanism
Malicious actors can exploit this vulnerability by using the hardcoded admin/G0R2U1P2ag credentials to gain unauthorized access to FiberHome HG6245D devices.
Mitigation and Prevention
In this section, we explore the steps to mitigate the risks associated with CVE-2021-27154 and prevent potential exploitation.
Immediate Steps to Take
To mitigate the vulnerability, users should immediately change the hardcoded admin/G0R2U1P2ag credentials on FiberHome HG6245D devices and implement strong, unique passwords.
Long-Term Security Practices
Implementing regular security audits, restricting access to essential services, and staying updated on security advisories are essential long-term practices to enhance device security.
Patching and Updates
Users are advised to monitor for security patches released by FiberHome to address the hardcoded credentials issue. Applying these patches promptly can help prevent exploitation and enhance the security posture of the devices.