CVE-2021-27164 : Exploit Details and Defense Strategies

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

Understanding CVE-2021-27164

This CVE highlights a critical vulnerability found in FiberHome HG6245D devices that exposes hardcoded credentials.

What is CVE-2021-27164?

The vulnerability in FiberHome HG6245D devices allows unauthorized users to access sensitive data by using hardcoded credentials.

The Impact of CVE-2021-27164

This vulnerability could lead to unauthorized access, data breaches, and compromise of sensitive information stored on affected devices.

Technical Details of CVE-2021-27164

This section provides insight into the specifics of the vulnerability.

Vulnerability Description

The issue arises from the web daemon containing hardcoded admin/aisadmin credentials, making it easy for attackers to gain unauthorized access.

Affected Systems and Versions

FiberHome HG6245D devices through RP2613 are affected by this vulnerability when using the default credentials.

Exploitation Mechanism

Unauthorized users can exploit this vulnerability by leveraging the hardcoded credentials to gain access to the device's admin interface.

Mitigation and Prevention

To protect your systems from CVE-2021-27164, consider the following mitigation strategies.

Immediate Steps to Take

Immediately change the default admin/aisadmin credentials on FiberHome HG6245D devices to prevent unauthorized access.

Long-Term Security Practices

Implement strong password policies and conduct regular security audits to detect and address vulnerabilities proactively.

Patching and Updates

Regularly check for firmware updates and security patches from FiberHome to address this vulnerability and enhance device security.