CVE-2024-48417 in AC1200 Wi-Fi 5 Dual-Band Router BR-6476AC
Summary
by MITRE • 01/27/2025
Edimax AC1200 Wi-Fi 5 Dual-Band Router BR-6476AC 1.06 is vulnerable to Cross Site Scripting (XSS) in : /bin/goahead via /goform/setStaticRoute, /goform/fromSetFilterUrlFilter, and /goform/fromSetFilterClientFilter.
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Analysis
by VulDB Data Team • 05/29/2025
The Edimax AC1200 Wi-Fi 5 Dual-Band Router BR-6476AC model version 1.06 presents a significant cross site scripting vulnerability that affects multiple administrative interfaces within the device's web-based management system. This vulnerability resides in the goahead web server implementation and specifically targets three critical endpoints including /goform/setStaticRoute, /goform/fromSetFilterUrlFilter, and /goform/fromSetFilterClientFilter. The flaw allows authenticated attackers with access to the router's administrative interface to inject malicious script code that can execute in the context of other users who visit affected pages. This represents a serious security risk as it could enable attackers to hijack user sessions, steal sensitive information, or perform unauthorized administrative actions on the affected router.
The technical nature of this vulnerability stems from inadequate input validation and output encoding within the router's web interface components. When users submit data through the identified form endpoints, the application fails to properly sanitize user-supplied parameters before incorporating them into dynamic web page content. This classic input validation flaw allows attackers to inject malicious javascript code that gets executed when other users browse to pages containing the malicious payload. The vulnerability is particularly concerning because it affects the router's administrative functions, which are typically protected by authentication mechanisms but remain susceptible to XSS attacks when proper input sanitization is not implemented. The attack vector requires an authenticated session to the router's web interface, but once achieved, the malicious code can persist and affect any user who accesses the vulnerable pages.
The operational impact of this vulnerability extends beyond simple script execution as it creates a persistent threat vector that can be exploited for various malicious activities. Attackers could leverage this vulnerability to create persistent backdoors, redirect users to malicious websites, steal session cookies, or even modify router configurations to establish unauthorized network access points. The affected router model serves as a gateway device for home and small office networks, making it a valuable target for attackers seeking to establish persistent access to larger network environments. This vulnerability also aligns with the CWE-79 classification for cross site scripting, which is categorized under the weakness type of 'Improper Neutralization of Input During Web Page Generation' and represents a fundamental flaw in web application security practices. The ATT&CK framework would categorize this as a web application vulnerability that could be exploited to establish initial access or maintain persistence within network environments.
Mitigation strategies for this vulnerability require immediate action from network administrators to update the router firmware to the latest available version from Edimax. The vulnerability affects a specific firmware version and is likely addressed through official firmware updates that include proper input validation and output encoding mechanisms. Network administrators should also implement additional security measures including network segmentation to limit access to administrative interfaces, enforcing strong authentication protocols, and monitoring network traffic for suspicious activities. Regular security audits of network infrastructure devices should be conducted to identify similar vulnerabilities in other network equipment. Organizations should also consider implementing network access controls that restrict administrative access to only trusted users and devices, as well as maintaining detailed logs of administrative activities to detect potential exploitation attempts. The vulnerability demonstrates the critical importance of proper input validation in web applications and highlights the need for comprehensive security testing of network device management interfaces.