Overview
CVE-2025-10541 is a critical security vulnerability discovered in iMonitor EAM, which potentially allows threat actors to escalate their privileges on the system. The flaw lies within the system service’s insecure update mechanism that can be manipulated to load and execute malicious files, resulting in system compromise or data leakage. Thus, it is of utmost importance for organizations using iMonitor EAM to apply the necessary patches or preventive measures.
Vulnerability Summary
CVE ID: CVE-2025-10541
Severity: High (7.8 CVSS)
Attack Vector: Local
Privileges Required: Low
User Interaction: None
Impact: System compromise or data leakage
Affected Products
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Product | Affected Versions
iMonitor EAM | 9.6394
How the Exploit Works
The exploit operates by abusing the insecure update mechanism of the ‘eamusbsrv64.exe’ system service that runs with NT AUTHORITY\SYSTEM privileges. The service is designed to automatically load files placed in the C:\sysupdate\ directory during startup. However, because any local user can create and write to this directory, an attacker can place malicious DLLs or executables in it. Upon service restart, these malicious files are moved to the application’s installation path and executed with SYSTEM privileges, leading to privilege escalation.
Conceptual Example Code
While this flaw doesn’t involve web-based exploits, a conceptual example of how an attacker could potentially exploit this vulnerability might look like this:
# Assume local user access
cd C:\sysupdate\
# Create malicious file
echo "malicious code here" > malicious.dll
# Restart the service to trigger the exploit
net stop eamusbsrv64
net start eamusbsrv64In this scenario, the attacker creates a malicious.dll file in the ‘sysupdate’ directory. Upon service restart, the malicious file is loaded and executed with SYSTEM privileges.
