CVE-2020-7997 : Vulnerability Insights and Analysis

ASUS WRT-AC66U 3 RT 3.0.0.4.372_67 devices allow XSS via the Client Name field to the Parental Control feature.

Understanding CVE-2020-7997

ASUS WRT-AC66U 3 RT 3.0.0.4.372_67 devices are vulnerable to cross-site scripting (XSS) attacks through the Client Name field in the Parental Control feature.

What is CVE-2020-7997?

CVE-2020-7997 is a vulnerability in ASUS WRT-AC66U 3 RT 3.0.0.4.372_67 devices that enables attackers to execute malicious scripts via the Client Name field within the Parental Control functionality.

The Impact of CVE-2020-7997

This vulnerability allows threat actors to inject and execute arbitrary code, potentially leading to unauthorized access, data theft, and further compromise of the affected devices.

Technical Details of CVE-2020-7997

ASUS WRT-AC66U 3 RT 3.0.0.4.372_67 devices are susceptible to XSS attacks through a specific input field.

Vulnerability Description

The vulnerability arises from inadequate input validation in the Client Name field of the Parental Control feature, enabling malicious script injection.

Affected Systems and Versions

Product: ASUS WRT-AC66U 3 RT
Version: 3.0.0.4.372_67

Exploitation Mechanism

Attackers can exploit this vulnerability by inserting malicious scripts into the Client Name field, which are then executed within the Parental Control feature.

Mitigation and Prevention

To address CVE-2020-7997 and enhance overall security:

Immediate Steps to Take

Disable the Parental Control feature on affected devices if not essential.
Regularly monitor for any unauthorized access or unusual activities on the network.

Long-Term Security Practices

Implement strong input validation mechanisms to prevent XSS vulnerabilities.
Keep firmware and software up to date to patch known security issues.

Patching and Updates

Check for firmware updates from ASUS and apply patches that address the XSS vulnerability in ASUS WRT-AC66U 3 RT devices.