CVE-2020-9419 : Exploit Details and Defense Strategies

Multiple stored cross-site scripting (XSS) vulnerabilities in Arcadyan Wifi routers VRV9506JAC23 allow remote attackers to inject arbitrary web script or HTML via the hostName and domain_name parameters present in the LAN configuration section of the administrative dashboard.

Understanding CVE-2020-9419

This CVE identifies multiple stored cross-site scripting vulnerabilities in specific Arcadyan Wifi routers, enabling attackers to inject malicious web scripts or HTML code.

What is CVE-2020-9419?

CVE-2020-9419 refers to a security flaw in Arcadyan Wifi routers VRV9506JAC23 that permits remote threat actors to insert unauthorized web scripts or HTML content through certain parameters in the LAN configuration section.

The Impact of CVE-2020-9419

The exploitation of these vulnerabilities can lead to severe consequences, including unauthorized access to sensitive information, manipulation of router settings, and potential attacks on users connected to the compromised network.

Technical Details of CVE-2020-9419

This section delves into the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability allows remote attackers to execute stored cross-site scripting attacks by injecting malicious web scripts or HTML code via the hostName and domain_name parameters within the LAN configuration section of the administrative dashboard.

Affected Systems and Versions

Vendor: Arcadyan
Product: Wifi routers VRV9506JAC23
Versions: All versions are affected

Exploitation Mechanism

The exploitation involves manipulating the hostName and domain_name parameters in the LAN configuration section to inject malicious scripts or HTML, which can be triggered when unsuspecting users access the affected administrative dashboard.

Mitigation and Prevention

Protecting systems from CVE-2020-9419 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable remote access to the administrative dashboard of the affected routers if not required.
Regularly monitor network traffic for any suspicious activities.
Implement strong password policies for router access.

Long-Term Security Practices

Keep router firmware up to date to patch known vulnerabilities.
Conduct regular security audits and penetration testing on network devices.
Educate users on safe browsing habits and the risks of clicking on unknown links.

Patching and Updates

Check for firmware updates provided by Arcadyan to address the XSS vulnerabilities.
Apply patches promptly to ensure the security of the Wifi routers and prevent potential exploitation.