CVE-2010-4741 in MDM Tool
Summary
by MITRE
Stack-based buffer overflow in MDMUtil.dll in MDMTool.exe in MDM Tool before 2.3 in Moxa Device Manager allows remote MDM Gateways to execute arbitrary code via crafted data in a session on TCP port 54321.
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Analysis
by VulDB Data Team • 04/23/2025
The vulnerability identified as CVE-2010-4741 represents a critical stack-based buffer overflow in the MDMUtil.dll library component of Moxa Device Manager's MDMTool.exe utility. This flaw exists within the Moxa Device Manager software suite, specifically affecting versions prior to 2.3, and creates a remote code execution vector through TCP port 54321 which is typically used for MDM Gateway communications. The vulnerability stems from insufficient input validation and bounds checking within the MDMUtil.dll module, which processes data received from remote MDM Gateways during session establishment. When maliciously crafted data is transmitted to the vulnerable system through the designated TCP port, the buffer overflow occurs in the stack memory region, potentially allowing an attacker to overwrite critical memory locations including return addresses and function pointers.
The technical implementation of this vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions where insufficient bounds checking allows attackers to overwrite adjacent stack memory locations. The attack surface is particularly concerning as it enables remote exploitation without requiring authentication, making it a significant threat vector for network-based attacks. The vulnerability occurs during normal session establishment procedures when the MDMTool.exe application receives data from remote gateways, and the MDMUtil.dll component fails to properly validate the length and content of incoming data structures. This allows an attacker to craft malicious payloads that exceed the allocated buffer space, causing the stack to overflow and potentially redirect execution flow to malicious code injected by the attacker.
From an operational impact perspective, this vulnerability presents a severe risk to industrial control systems and device management environments that rely on Moxa Device Manager for networked device monitoring and configuration. The remote execution capability means that attackers can potentially compromise entire device management networks from outside the local network perimeter, especially in environments where MDM Gateways are exposed to untrusted networks. The vulnerability affects organizations using Moxa's device management infrastructure, which is commonly deployed in industrial IoT environments, manufacturing facilities, and critical infrastructure sectors where device availability and security are paramount. Successful exploitation could result in complete system compromise, unauthorized device access, data exfiltration, and potential disruption of critical operations.
Security mitigations for this vulnerability should include immediate deployment of the vendor-provided patch or upgrade to Moxa Device Manager version 2.3 or later, which addresses the buffer overflow through proper input validation and bounds checking mechanisms. Network segmentation and access control measures should be implemented to restrict access to TCP port 54321, limiting exposure to only trusted network segments and authorized gateway devices. Additionally, organizations should implement network monitoring to detect anomalous traffic patterns on the affected port and consider disabling the MDM Gateway functionality if it is not essential for operations. The vulnerability's classification as a remote code execution flaw places it within ATT&CK technique T1203, which covers exploitation of remote services, and T1059, which involves command and script interpreter usage, highlighting the need for comprehensive endpoint protection and network security controls to prevent exploitation.