CVE-2021-27142 : Vulnerability Insights and Analysis

A hardcoded private key with incorrect permissions on FiberHome HG6245D devices through RP2613 poses a security risk that allows web management over HTTPS.

Understanding CVE-2021-27142

This CVE identifies a vulnerability in FiberHome HG6245D devices that could lead to unauthorized access due to a hardcoded private key used for web management.

What is CVE-2021-27142?

CVE-2021-27142 highlights a security flaw where the web management of FiberHome HG6245D devices is conducted over HTTPS, utilizing a hardcoded private key with improper permissions.

The Impact of CVE-2021-27142

The presence of a hardcoded private key with incorrect permissions can potentially allow malicious actors to intercept and compromise sensitive data transmitted over HTTPS on affected FiberHome devices.

Technical Details of CVE-2021-27142

This section delves into the specifics of the vulnerability affecting FiberHome HG6245D devices through RP2613.

Vulnerability Description

The issue arises from a misconfigured private key used for HTTPS communication, which can be exploited by attackers to intercept secure data transmissions.

Affected Systems and Versions

FiberHome HG6245D devices running RP2613 firmware are affected by this vulnerability due to the mishandling of the hardcoded private key.

Exploitation Mechanism

By leveraging the exposed private key, threat actors can potentially eavesdrop on encrypted communications and launch man-in-the-middle attacks against affected devices.

Mitigation and Prevention

In response to CVE-2021-27142, proactive measures must be taken to mitigate the identified risk and prevent unauthorized access to FiberHome HG6245D devices.

Immediate Steps to Take

Administrators should ensure the immediate restriction of unauthorized access to the affected devices and consider rotating the private key to prevent further exploitation.

Long-Term Security Practices

Implementing proper key management practices, regular security audits, and firmware updates are essential for maintaining the integrity and security of the network infrastructure.

Patching and Updates

It is crucial to stay informed about security patches provided by FiberHome to address and remediate the vulnerability identified in CVE-2021-27142.