CVE-2005-3719 in IP5000 VOIP WIFI Phone
Summary
by MITRE
Hitachi IP5000 VOIP WIFI Phone 1.5.6 has a hard-coded administrator password of "0000", which allows attackers with physical access to obtain sensitive information and modify the phone s configuration.
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Analysis
by VulDB Data Team • 07/27/2017
The Hitachi IP5000 VoIP WiFi Phone running firmware version 1.5.6 contains a critical security flaw that exposes the device to unauthorized administrative access through a hard-coded password mechanism. This vulnerability represents a fundamental failure in the device's authentication design, where the default administrative credentials are permanently embedded within the system rather than being dynamically generated or securely configured during deployment. The presence of a hard-coded password of "0000" creates an inherent security risk that persists across all device instances and installations, eliminating any possibility for administrators to change or secure these credentials.
This vulnerability falls under the category of weak credential management and insecure configuration practices, specifically aligning with CWE-798 which addresses the use of hard-coded credentials in software systems. The flaw enables attackers with physical access to immediately gain administrative privileges on the device, bypassing all normal authentication mechanisms. Physical access requirements for exploitation reduce the attack surface but do not eliminate the risk entirely, as many organizations do not adequately secure their physical access points or implement proper device management protocols.
The operational impact of this vulnerability extends beyond simple unauthorized access to include complete system compromise and potential network infiltration. An attacker with administrative access can modify phone configurations, potentially redirecting calls, accessing voicemail systems, or altering network settings that could affect broader communication infrastructure. The ability to obtain sensitive information through this vector could include user credentials, call logs, network configuration details, and potentially access to connected systems. This vulnerability directly impacts the confidentiality, integrity, and availability of the communication system, representing a significant risk to enterprise security posture.
Organizations should implement immediate mitigations including replacing affected devices with versions that do not contain hard-coded credentials or applying firmware updates if available. Physical security measures must be enhanced to prevent unauthorized access to network devices, particularly those with known vulnerabilities. Network segmentation and monitoring should be implemented to detect unauthorized configuration changes or unusual network activity that might indicate exploitation attempts. The vulnerability also highlights the importance of proper device lifecycle management and the need for security assessments during deployment phases. This issue aligns with ATT&CK technique T1210 which addresses exploitation of remote services and T1078 which covers valid accounts and legitimate credentials for persistence and access. Organizations should conduct comprehensive vulnerability assessments to identify similar hard-coded credentials across their network infrastructure and ensure that default passwords are changed during initial device configuration. The incident demonstrates the critical importance of following security best practices and avoiding hardcoded credentials in production systems.