CVE-2019-20486 Explained : Impact and Mitigation

A vulnerability has been discovered on NETGEAR WNR1000V4 1.1.0.54 devices that allows for stored XSS attacks through the web management console.

Understanding CVE-2019-20486

This CVE identifies a security issue on NETGEAR WNR1000V4 1.1.0.54 devices that can be exploited through the manipulation of the UI language configuration.

What is CVE-2019-20486?

This vulnerability affects specific pages, setup.cgi and adv_index.htm, within the web management console of NETGEAR WNR1000V4 1.1.0.54 devices, making them susceptible to stored XSS attacks.

The Impact of CVE-2019-20486

The vulnerability allows attackers to execute malicious scripts within the context of a user's session, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2019-20486

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The vulnerability in NETGEAR WNR1000V4 1.1.0.54 devices enables stored XSS attacks through the web management console, specifically on setup.cgi and adv_index.htm pages.

Affected Systems and Versions

Product: NETGEAR WNR1000V4
Version: 1.1.0.54

Exploitation Mechanism

The vulnerability is exploited by manipulating the UI language configuration, allowing attackers to inject and execute malicious scripts.

Mitigation and Prevention

Protecting systems from CVE-2019-20486 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable remote management if not required
Regularly monitor and review access logs for suspicious activities
Implement network segmentation to limit the impact of potential attacks

Long-Term Security Practices

Keep systems up to date with the latest firmware and security patches
Conduct regular security assessments and penetration testing
Educate users about safe browsing habits and phishing awareness

Patching and Updates

Ensure that NETGEAR WNR1000V4 devices are updated with the latest firmware releases to address the vulnerability.