#VU121128 Out-of-bounds read in DAQFactory - CVE-2025-66589

Vulnerability identifier: #VU121128

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-2025-66589

CWE-ID: CWE-125

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 gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition. A remote attacker can create a specially crafted CTL file, trick the victim into opening it, trigger an out-of-bounds read error and read contents of memory on the system, leading to arbitrary code execution.

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-25-1156/
https://www.cisa.gov/news-events/ics-advisories/icsa-25-345-03
https://www.zerodayinitiative.com/advisories/ZDI-25-1157/
https://www.zerodayinitiative.com/advisories/ZDI-25-1158/
https://www.zerodayinitiative.com/advisories/ZDI-25-1159/
https://www.zerodayinitiative.com/advisories/ZDI-25-1160/
https://www.zerodayinitiative.com/advisories/ZDI-25-1161/

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?