Advisory Details

December 19th, 2025

AzeoTech DAQFactory CTL File Parsing Memory Corruption Remote Code Execution Vulnerability

CVE ID	CVE-2025-66589
CVSS SCORE	7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS	AzeoTech
AFFECTED PRODUCTS	DAQFactory
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on affected installations of AzeoTech DAQFactory. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of CTL files. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to execute code in the context of the current process.
ADDITIONAL DETAILS	AzeoTech has issued an update to correct this vulnerability. More details can be found at: https://www.cisa.gov/news-events/ics-advisories/icsa-25-345-03
DISCLOSURE TIMELINE	2025-06-23 - Vulnerability reported to vendor 2025-12-19 - Coordinated public release of advisory 2025-12-19 - Advisory Updated
CREDIT	Andrea Micalizzi aka rgod (@rgod777)

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