CVE-2025-1907 in Micromate
Summary
by MITRE • 05/30/2025
Instantel Micromate lacks authentication on a configuration port which could allow an attacker to execute commands if connected.
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Analysis
by VulDB Data Team • 05/30/2025
The vulnerability identified as CVE-2025-1907 affects Instantel Micromate devices that expose a configuration port without proper authentication mechanisms. This represents a critical security flaw that fundamentally undermines the device's operational integrity and exposes it to unauthorized access. The absence of authentication on the configuration port creates an attack surface that allows any connected entity to execute commands directly on the device, effectively granting administrative privileges to anyone who can establish a connection. This type of vulnerability falls under the category of insecure direct object references and weak authentication mechanisms as classified by CWE-285 and CWE-305 respectively, making it particularly dangerous in operational technology environments where device control is paramount.
The technical implementation of this vulnerability stems from the device's failure to enforce proper access controls on its configuration interface. When a device exposes a configuration port without requiring authentication, it creates an implicit trust model that assumes all connections are legitimate. This design flaw allows attackers to bypass normal security protocols and gain immediate access to the device's command execution capabilities. The vulnerability is particularly concerning because it does not require network connectivity or complex exploitation techniques - simply connecting to the port provides the attacker with full administrative control. This aligns with ATT&CK technique T1072 which describes the use of remote services for lateral movement and privilege escalation, though in this case the attack vector is more direct and immediate.
The operational impact of this vulnerability extends far beyond simple unauthorized access. Devices running Instantel Micromate software that are connected to networks or exposed to physical access points become potential entry points for broader network compromise. An attacker who gains control of one device can use it as a pivot point to access other systems within the same network segment. This vulnerability also affects the device's ability to maintain secure operations and can lead to data exfiltration, service disruption, or malicious modification of device configurations. The risk is particularly elevated in industrial control systems where these devices may be used to manage critical infrastructure, as unauthorized command execution could lead to operational failures or safety hazards. Organizations implementing these devices must consider the full implications of unauthenticated access to configuration interfaces, as this vulnerability can effectively neutralize any security measures that rely on device integrity.
Mitigation strategies for CVE-2025-1907 should focus on both immediate and long-term solutions. The most immediate action is to physically secure devices that expose configuration ports and implement network segmentation to prevent unauthorized access. Organizations should also consider disabling unused configuration ports or implementing physical access controls to prevent unauthorized connections. Network-based mitigations include deploying firewalls or access control lists that restrict access to these ports to authorized IP addresses only. The device firmware should be updated with patches that enforce authentication requirements on all configuration interfaces, as specified in the CWE-305 guidance for implementing proper authentication mechanisms. Additionally, organizations should implement continuous monitoring for unauthorized access attempts and establish incident response procedures specifically addressing this vulnerability type. This aligns with ATT&CK tactic TA0003 which emphasizes persistence and privilege escalation, requiring organizations to maintain vigilance against unauthorized access attempts and to implement robust monitoring capabilities to detect such activities.