CVE-2019-17186 Explained : Impact and Mitigation

This CVE-2019-17186 article provides insights into a pre-authentication remote code execution vulnerability affecting FiberHome HG2201T 1.00.M5007_JS_201804 devices.

Understanding CVE-2019-17186

This section delves into the details of the vulnerability and its impact.

What is CVE-2019-17186?

The vulnerability allows pre-authentication remote code execution on FiberHome HG2201T 1.00.M5007_JS_201804 devices through the /var/WEB-GUI/cgi-bin/telnet.cgi functionality.

The Impact of CVE-2019-17186

The vulnerability poses a severe risk as attackers can execute malicious code remotely without authentication.

Technical Details of CVE-2019-17186

Explore the technical aspects of the vulnerability.

Vulnerability Description

The flaw in /var/WEB-GUI/cgi-bin/telnet.cgi enables attackers to execute code remotely without prior authentication.

Affected Systems and Versions

Affected Product: FiberHome HG2201T 1.00.M5007_JS_201804
Affected Version: n/a

Exploitation Mechanism

The vulnerability can be exploited remotely through the telnet.cgi functionality, allowing attackers to execute code without authentication.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2019-17186.

Immediate Steps to Take

Disable telnet.cgi functionality on affected devices.
Implement network segmentation to limit access to vulnerable systems.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update firmware and security patches on all devices.
Conduct security audits to identify and address vulnerabilities proactively.

Patching and Updates

Apply patches provided by FiberHome to address the vulnerability and enhance device security.