CVE-2014-2362 in WIO DH2 Wireless Gateway
Summary
by MITRE
OleumTech WIO DH2 Wireless Gateway and Sensor Wireless I/O Modules rely exclusively on a time value for entropy in key generation, which makes it easier for remote attackers to defeat cryptographic protection mechanisms by predicting the time of project creation.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 10/07/2025
The vulnerability identified as CVE-2014-2362 affects OleumTech WIO DH2 Wireless Gateway and Wireless I/O Modules, presenting a critical cryptographic weakness that undermines the security of industrial communication systems. This flaw resides in the implementation of key generation mechanisms where the system relies solely on temporal entropy values rather than incorporating sufficient randomness sources. The vulnerability stems from the predictable nature of time-based entropy, which creates a deterministic pattern that attackers can exploit to compromise the cryptographic protections designed to secure wireless communications in industrial environments.
The technical implementation of this vulnerability demonstrates a fundamental flaw in cryptographic key generation practices, specifically violating established security principles outlined in CWE-330. The system's reliance on time values for entropy creation creates a narrow attack surface where remote adversaries can predict key generation patterns by observing the time of project creation or system initialization. This weakness directly impacts the integrity and confidentiality of data transmitted through the wireless modules, as the cryptographic algorithms become vulnerable to brute force attacks and pattern recognition techniques. The predictable nature of the entropy source means that attackers who can determine or estimate the system's timing parameters can effectively reverse engineer the cryptographic keys used for securing communications.
From an operational perspective, this vulnerability poses significant risks to industrial control systems and wireless sensor networks that depend on the OleumTech WIO platform for data collection and transmission. The remote attack vector means that adversaries can exploit this weakness from external networks without requiring physical access to the devices, making it particularly dangerous for industrial environments where security is paramount. The impact extends beyond simple data interception to potential system compromise, as successful key prediction could allow attackers to manipulate sensor data, disrupt operations, or gain unauthorized access to connected systems. This vulnerability directly relates to ATT&CK technique T1552.001, which covers unsecured credentials and key material, and represents a critical failure in the security architecture of industrial wireless communication systems.
The mitigation strategies for this vulnerability require immediate implementation of enhanced entropy sources and proper cryptographic key generation practices. Organizations should implement additional entropy sources beyond temporal values, including hardware random number generators or environmental noise sources to ensure sufficient randomness in key creation. System updates and firmware patches should address the core issue by incorporating proper entropy mixing techniques and ensuring that time values are properly combined with other unpredictable factors. Security configurations should also include monitoring for unusual timing patterns that might indicate exploitation attempts, while network segmentation and access controls should be implemented to limit the potential impact of any successful attacks. The remediation process must also involve comprehensive security assessments of all industrial wireless systems to identify similar implementations of cryptographic functions that may be vulnerable to the same temporal entropy weakness.