Advisory Details

December 17th, 2025

AzeoTech DAQFactory CTL File Parsing Use-After-Free Remote Code Execution Vulnerability

ZDI-25-1128
ZDI-CAN-25514

CVE ID CVE-2025-66585
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 validating the existence of an object prior to performing operations on the object. 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
  • 2025-12-17 - Coordinated public release of advisory
  • 2025-12-17 - Advisory Updated
CREDIT Andrea Micalizzi aka rgod (@rgod777)
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