CVE-2017-6547 : Vulnerability Insights and Analysis
Learn about CVE-2017-6547, a cross-site scripting (XSS) vulnerability in ASUS routers. Find out how remote attackers can inject JavaScript and steps to prevent unauthorized access.
A vulnerability related to cross-site scripting (XSS) has been identified in various models of ASUS routers, potentially allowing remote attackers to inject arbitrary JavaScript into the system.
Understanding CVE-2017-6547
What is CVE-2017-6547?
CVE-2017-6547 is a cross-site scripting (XSS) vulnerability found in specific ASUS router models due to outdated firmware versions.
The Impact of CVE-2017-6547
The vulnerability could enable remote attackers to inject malicious JavaScript into affected routers, potentially leading to unauthorized access or control.
Technical Details of CVE-2017-6547
Vulnerability Description
The vulnerability exists in ASUS routers, including models RT-N56U, RT-AC66U, RT-AC68U, and others, with firmware versions prior to specific numbers.
Affected Systems and Versions
- ASUS routers models RT-N56U, RT-AC66U, RT-AC68U, and more
- Firmware versions earlier than 3.0.0.4.380.7378 are vulnerable
Exploitation Mechanism
Remote attackers can exploit this vulnerability by requesting filenames longer than 50 characters, allowing them to inject arbitrary JavaScript.
Mitigation and Prevention
Immediate Steps to Take
- Update affected routers to firmware versions 3.0.0.4.380.7378 or later
- Regularly monitor for firmware updates from ASUS
Long-Term Security Practices
- Implement strong, unique passwords for router access
- Enable automatic firmware updates if available
Patching and Updates
- Apply patches and firmware updates promptly to address known vulnerabilities