CVE-2016-7814 in TS-WRLP
Summary
by MITRE
I-O DATA DEVICE TS-WRLP firmware version 1.00.01 and earlier and TS-WRLA firmware version 1.00.01 and earlier allow remote attackers to obtain authentication credentials via unspecified vectors.
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Analysis
by VulDB Data Team • 12/26/2020
The vulnerability identified as CVE-2016-7814 affects I-O DATA DEVICE TS-WRLP and TS-WRLA wireless router firmware versions 1.00.01 and earlier, representing a critical security flaw that exposes authentication credentials to remote attackers. This vulnerability falls under the category of credential exposure and information disclosure, where unauthorized parties can potentially gain access to sensitive authentication information without proper authorization. The unspecified vectors mentioned in the description suggest that the attack could be executed through various methods, making the vulnerability particularly concerning as it may be exploitable through multiple attack surfaces. The affected devices are wireless routers that likely serve as network access points, making them attractive targets for attackers seeking to compromise network infrastructure.
The technical flaw within these firmware versions appears to stem from inadequate credential handling mechanisms or insufficient security controls that fail to properly protect authentication information from being accessed by unauthorized entities. This type of vulnerability typically manifests when authentication credentials are stored in plaintext, transmitted without proper encryption, or when the device fails to implement proper access controls that would prevent unauthorized retrieval of login information. The vulnerability could potentially be exploited through network-based attacks where remote adversaries can intercept or directly access credential storage mechanisms within the device firmware. Such flaws often result from insufficient input validation, weak cryptographic implementations, or missing security features that should be present in network devices to protect sensitive information.
The operational impact of this vulnerability is significant as it allows remote attackers to obtain authentication credentials that could be used to gain unauthorized access to the affected wireless networks. Attackers could potentially use these credentials to access the router management interfaces, modify network configurations, redirect traffic, or establish persistent access points within the network. The ability to obtain authentication credentials remotely without physical access or prior knowledge of the network configuration makes this vulnerability particularly dangerous for enterprise and residential network administrators who rely on these devices for network security. The exposure of authentication information could lead to complete network compromise, data breaches, or unauthorized access to connected devices and systems. This vulnerability directly impacts the confidentiality and integrity of network communications, as it allows attackers to bypass normal authentication mechanisms that are designed to protect network resources.
Mitigation strategies for CVE-2016-7814 should prioritize immediate firmware updates from I-O DATA DEVICE to address the credential exposure vulnerability. Network administrators should implement network segmentation to limit the potential impact of credential compromise and monitor network traffic for suspicious activities that may indicate exploitation attempts. The vulnerability aligns with CWE-312 (Cleartext Storage of Sensitive Information) and CWE-310 (Cleartext Transmission of Sensitive Information) categories, indicating that proper cryptographic practices and secure credential storage mechanisms should be implemented. Organizations should also consider implementing additional security controls such as network access control lists, intrusion detection systems, and regular security assessments to identify and remediate similar vulnerabilities. The ATT&CK framework would classify this vulnerability under T1078 (Valid Accounts) and T1566 (Phishing) techniques, as attackers could leverage compromised credentials to establish persistent access and potentially expand their attack surface within the network environment. Regular firmware updates, secure configuration practices, and comprehensive network monitoring are essential to prevent exploitation of this type of credential exposure vulnerability.