CVE-2021-27175 : What You Need to Know

An issue was discovered on FiberHome HG6245D devices through RP2613, where wifictl_2g.cfg file contains cleartext passwords with insecure permissions.

Understanding CVE-2021-27175

This CVE involves a security vulnerability found in FiberHome HG6245D devices through RP2613.

What is CVE-2021-27175?

CVE-2021-27175 exposes a critical security issue in FiberHome HG6245D devices, allowing unauthorized access to cleartext passwords via the wifictl_2g.cfg file with insecure permissions.

The Impact of CVE-2021-27175

This vulnerability poses a significant security risk as it could lead to unauthorized parties gaining access to sensitive network credentials, compromising the overall security of affected devices.

Technical Details of CVE-2021-27175

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The issue lies in the exposure of cleartext passwords in the wifictl_2g.cfg file on FiberHome HG6245D devices running RP2613, jeopardizing the confidentiality of network access credentials.

Affected Systems and Versions

The vulnerability affects FiberHome HG6245D devices specifically through RP2613, emphasizing the importance of timely mitigation efforts for these configurations.

Exploitation Mechanism

Attackers can potentially exploit this vulnerability by accessing the exposed cleartext passwords and leveraging them for unauthorized access to the network infrastructure.

Mitigation and Prevention

To address CVE-2021-27175 and enhance overall system security, the following steps are recommended.

Immediate Steps to Take

Users should promptly review and secure the permissions of the wifictl_2g.cfg file to prevent unauthorized access to cleartext passwords. Consider changing affected passwords as a precautionary measure.

Long-Term Security Practices

Implement robust password policies, regular security audits, and network monitoring practices to stay vigilant against potential security breaches.

Patching and Updates

Stay updated with security advisories from FiberHome regarding patches or firmware updates that address the vulnerability and implement them as soon as they are available.