CVE-2019-1899 : Exploit Details and Defense Strategies

Cisco RV110W, RV130W, and RV215W Routers Information Disclosure Vulnerability

Understanding CVE-2019-1899

This CVE involves a security flaw in the web interface of Cisco RV110W, RV130W, and RV215W Routers, potentially allowing unauthorized remote access to obtain a list of connected devices on the guest network.

What is CVE-2019-1899?

The vulnerability arises from inadequate authorization for an HTTP request, enabling attackers to exploit a designated URI on the router's web interface.

The Impact of CVE-2019-1899

The vulnerability has a CVSS base score of 5.3, indicating a medium severity issue with low confidentiality impact and no integrity or availability impact.

Technical Details of CVE-2019-1899

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The flaw allows unauthorized remote attackers to access a list of connected devices on the guest network due to improper authorization of an HTTP request.

Affected Systems and Versions

Product: Cisco RV130W Wireless-N Multifunction VPN Router Firmware
Vendor: Cisco
Versions Affected: Less than 1.0.3.51

Exploitation Mechanism

Attackers can exploit this vulnerability by accessing a specific URI on the router's web interface, taking advantage of the lack of proper authorization for the HTTP request.

Mitigation and Prevention

Protecting systems from CVE-2019-1899 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Cisco promptly.
Restrict access to the router's web interface to trusted networks only.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update firmware and software to address security vulnerabilities.
Implement network segmentation to isolate critical devices.
Conduct regular security audits and penetration testing.

Patching and Updates

Cisco has released firmware updates to address the vulnerability. Ensure timely installation of these patches to mitigate the risk of exploitation.