CVE-2019-20004 : Exploit Details and Defense Strategies

A vulnerability was found on the Intelbras IWR 3000N 1.8.7 devices that allows unrestricted administrative access after changing the administrator password from a specific client IP address.

Understanding CVE-2019-20004

This CVE identifies a security flaw in Intelbras IWR 3000N 1.8.7 devices that can lead to complete control of the router.

What is CVE-2019-20004?

This vulnerability enables any client using a specific IP address to maintain unrestricted administrative access after altering the administrator password, resulting in complete control over the affected router.

The Impact of CVE-2019-20004

The vulnerability allows unauthorized users to gain full administrative control over the Intelbras IWR 3000N 1.8.7 router, compromising its security and potentially leading to malicious activities.

Technical Details of CVE-2019-20004

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The flaw in Intelbras IWR 3000N 1.8.7 devices allows for persistent administrative access when the administrator password is changed from a specific client IP address.

Affected Systems and Versions

Affected Systems: Intelbras IWR 3000N 1.8.7 devices
Affected Versions: 1.8.7

Exploitation Mechanism

Unauthorized users can exploit this vulnerability by changing the administrator password from a specific client IP address, granting them unrestricted administrative access.

Mitigation and Prevention

Protecting systems from CVE-2019-20004 requires immediate action and long-term security measures.

Immediate Steps to Take

Change the default administrator password on Intelbras IWR 3000N 1.8.7 devices.
Monitor and restrict access to the router's administrative settings.

Long-Term Security Practices

Regularly update firmware and security patches on the affected devices.
Implement network segmentation to limit access to critical systems.

Patching and Updates

Apply patches and updates provided by Intelbras to address the vulnerability and enhance the security of the affected devices.