CVE-2023-3741 in DT900
Summary
by MITRE • 11/30/2023
An OS Command injection vulnerability in NEC Platforms DT900 and DT900S Series all versions allows an attacker to execute any command on the device.
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Analysis
by VulDB Data Team • 12/20/2023
The CVE-2023-3741 vulnerability represents a critical operating system command injection flaw affecting NEC Platforms DT900 and DT900S Series devices across all software versions. This vulnerability resides within the device's input validation mechanisms, specifically in how the system processes user-supplied data that eventually gets executed as operating system commands. The flaw enables remote attackers to inject malicious commands through improperly sanitized input fields, potentially compromising the entire device infrastructure.
This vulnerability falls under the CWE-77 category of Command Injection, which is classified as a high-risk security weakness in software applications. The ATT&CK framework categorizes this as a command and control technique under T1059.003, where adversaries execute commands on compromised systems. The affected NEC devices operate in environments where they may be exposed to untrusted networks, making them susceptible to exploitation by remote attackers who can leverage this vulnerability to gain unauthorized access and execute arbitrary code with the privileges of the affected service.
The operational impact of this vulnerability extends beyond simple command execution, as it provides attackers with complete control over the affected devices. An attacker could potentially escalate privileges, access sensitive data, modify system configurations, or use the compromised device as a pivot point to attack other systems within the network. The DT900 and DT900S series devices are typically deployed in industrial control environments where they manage critical infrastructure components, making the potential damage significantly greater than in typical consumer environments.
Mitigation strategies for CVE-2023-3741 should prioritize immediate patching of affected devices, as NEC has likely released security updates addressing this specific vulnerability. Network segmentation and access controls should be implemented to limit exposure of these devices to untrusted networks, while monitoring systems should be deployed to detect suspicious command execution patterns. Additionally, input validation should be strengthened throughout the application stack to prevent similar injection vulnerabilities from occurring in the future, following the principle of least privilege and implementing proper command sanitization techniques. Organizations should conduct comprehensive vulnerability assessments to identify any other devices running NEC software that may be similarly affected by this class of vulnerability.