CVE-2020-14110 in AX3600
Summary
by MITRE • 01/18/2022
AX3600 router sensitive information leaked.There is an unauthorized interface through luci to obtain sensitive information and log in to the web background.
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Analysis
by VulDB Data Team • 01/26/2022
The CVE-2020-14110 vulnerability affects the AX3600 router implementation and represents a critical security flaw in the web-based management interface. This vulnerability stems from inadequate authentication controls within the LuCI (Luci Unified Configuration Interface) framework that powers the router's web management portal. The flaw allows attackers to access unauthorized administrative interfaces without proper credentials, creating a significant risk for network security and device control.
The technical implementation of this vulnerability resides in the router's web server component where the LuCI interface fails to properly validate user authentication status before granting access to sensitive administrative functions. This misconfiguration creates an information disclosure vulnerability that enables remote attackers to extract sensitive data including system configuration details, user credentials, and operational logs. The flaw specifically manifests in the lack of proper access control checks that should normally validate session tokens and user privileges before permitting access to administrative sections of the router's web interface.
From an operational impact perspective, this vulnerability fundamentally undermines the security posture of affected networks by allowing unauthorized access to router management functions. Attackers can exploit this flaw to gain full administrative control over the device, potentially leading to complete network compromise. The exposure of sensitive information includes but is not limited to system logs, configuration files, and user account details that could be leveraged for further attacks. This vulnerability particularly affects enterprise and home networks where routers serve as critical entry points for network access and security enforcement.
The vulnerability aligns with CWE-285, which addresses improper authorization in software systems, and maps to ATT&CK technique T1078 for valid accounts and T1046 for network service scanning. Organizations should immediately implement mitigations including firmware updates from the vendor, network segmentation to isolate critical devices, and implementation of intrusion detection systems to monitor for exploitation attempts. Additionally, administrators should disable unnecessary web management interfaces, enforce strong authentication mechanisms, and conduct regular security audits to identify similar misconfigurations across network infrastructure components. The vulnerability demonstrates the critical importance of proper access control implementation in network devices and the potential consequences of insufficient authentication validation in web-based management interfaces.