CVE-2016-1207 in WN-G300R
Summary
by MITRE
Cross-site scripting (XSS) vulnerability on I-O DATA DEVICE WN-G300R devices with firmware 1.12 and earlier, WN-G300R2 devices with firmware 1.12 and earlier, and WN-G300R3 devices with firmware 1.01 and earlier allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 11/26/2018
The CVE-2016-1207 vulnerability represents a critical cross-site scripting flaw affecting I-O DATA DEVICE wireless networking equipment including WN-G300R, WN-G300R2, and WN-G300R3 models. This vulnerability resides within the firmware implementations of these devices, specifically targeting versions 1.12 and earlier for WN-G300R and WN-G300R2 devices, and version 1.01 and earlier for WN-G300R3 devices. The flaw enables remote authenticated attackers to execute malicious web scripts or HTML code within the context of affected devices, creating significant security implications for network infrastructure.
The technical nature of this vulnerability stems from inadequate input validation and output encoding mechanisms within the web-based administrative interfaces of these networking devices. As a CWE-79 vulnerability classified under the Common Weakness Enumeration framework, the flaw manifests when user-supplied data is not properly sanitized before being rendered in web pages. The unspecified vectors suggest that multiple entry points within the device's web interface may be susceptible to this injection attack, potentially including configuration fields, parameter handling, or form submissions. This weakness directly violates the principle of secure input validation and demonstrates poor application security practices in the device's web interface implementation.
Operationally, this vulnerability poses substantial risks to organizations relying on these networking devices, as it allows attackers with valid authentication credentials to execute arbitrary code within the device's web context. The remote execution capability means that attackers could potentially compromise device management interfaces, modify network configurations, redirect traffic, or establish persistent access points within the network. Given that these are wireless routers, the impact extends beyond simple web interface compromise to potentially affect entire network infrastructures. The authenticated nature of the attack does not significantly reduce the risk as it only requires valid user credentials, which may be obtained through social engineering, credential theft, or other means.
Mitigation strategies for CVE-2016-1207 should prioritize immediate firmware updates from I-O DATA DEVICE to address the identified XSS vulnerability. Organizations must also implement network segmentation and access control measures to limit the potential impact of any successful exploitation attempts. The vulnerability aligns with ATT&CK technique T1059.007 for command and scripting interpreter, as exploitation could enable attackers to execute malicious scripts within the device environment. Network monitoring should be enhanced to detect anomalous traffic patterns or unauthorized configuration changes that might indicate exploitation attempts. Additionally, implementing web application firewalls and input validation controls can provide additional defense-in-depth measures against similar vulnerabilities in other network infrastructure components.