#VU121131 Type Confusion in DAQFactory - CVE-2025-66586

Vulnerability identifier: #VU121131

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-66586

CWE-ID: CWE-843

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
DAQFactory
Client/Desktop applications / Other client software

Vendor: AzeoTech

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error. A remote attacker can trick a victim to open a specially crafted CTL file, trigger a type confusion error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

DAQFactory: 20.7 2555 and previous versions

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External links
https://www.zerodayinitiative.com/advisories/ZDI-25-1131/
https://www.cisa.gov/news-events/ics-advisories/icsa-25-345-03
https://www.zerodayinitiative.com/advisories/ZDI-25-1132/
https://www.zerodayinitiative.com/advisories/ZDI-25-1133/
https://www.zerodayinitiative.com/advisories/ZDI-25-1134/

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?