CVE-2019-13411 Explained : Impact and Mitigation

A critical remote command execution vulnerability has been identified in HiNet GPON firmware version < I040GWR190731, allowing unauthorized individuals to execute arbitrary commands through port 3097.

Understanding CVE-2019-13411

This CVE involves a flaw in the HiNet GPON firmware version < I040GWR190731, specifically in its "invalid command" handler, posing a critical security risk.

What is CVE-2019-13411?

The vulnerability in HiNet GPON firmware version < I040GWR190731 allows attackers to execute arbitrary commands via port 3097, with a CVSS 3.0 Base score of 10.0.

The Impact of CVE-2019-13411

Severity: Critical
CVSS Score: 10.0
CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Unauthorized individuals can carry out arbitrary commands, leading to potential system compromise.

Technical Details of CVE-2019-13411

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The flaw in the HiNet GPON firmware version < I040GWR190731 lies in its "invalid command" handler, enabling the execution of unauthorized commands through port 3097.

Affected Systems and Versions

Product: GPON
Vendor: HiNET
Affected Version: firmware before I040GWR190731

Exploitation Mechanism

The vulnerability allows attackers to exploit the "invalid command" handler in the HiNet GPON firmware version < I040GWR190731 to execute arbitrary commands via port 3097.

Mitigation and Prevention

Protecting systems from CVE-2019-13411 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Monitor network traffic for any suspicious activities on port 3097.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Regularly update firmware and software to mitigate known vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses.
Educate users and IT staff about security best practices to prevent future exploits.

Patching and Updates

Stay informed about security advisories from HiNET and apply patches as soon as they are released.