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Mallory
High

Out-of-bounds Read in AzeoTech DAQFactory 20.7 (Build 2555)

IdentifiersCVE-2025-66589CWE-125· Out-of-bounds Read

Information is currently not available to provide a detailed, function-level description beyond what is in the provided content. Based on the provided content, CVE-2025-66589 is an out-of-bounds read in AzeoTech DAQFactory release 20.7 (Build 2555), triggered during parsing/handling of attacker-controlled input (noted as CTL file parsing in the supporting content), causing the program to read past the end of an allocated buffer.

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Impact

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Information is currently not available to provide a more detailed impact statement beyond what is in the provided content. Based on the provided content, successful exploitation can lead to information disclosure and/or a crash (denial of service). Supporting content also indicates potential for arbitrary code execution in the context of the current process, but the primary CVE description characterizes this issue as an out-of-bounds read with disclosure/crash outcomes.

Mitigation

If you can’t patch tonight, do this now.

Per the provided content and associated CISA guidance: restrict access to/handling of untrusted .ctl files (and related project artifacts), use DAQFactory safe mode where applicable, minimize network exposure of ICS systems, place control system networks behind firewalls, and secure remote access (e.g., VPN) while following CISA ICS hardening best practices. Additionally, validate/verify buffer boundary checks in relevant data handling paths.

Remediation

Patch, then assume compromise.

Update AzeoTech DAQFactory to a vendor-fixed release (the provided content indicates AzeoTech released an update; broader advisory context indicates DAQFactory 21.1 addresses multiple related issues). Apply the vendor security patch/update referenced by CISA advisory ICSA-25-345-03.
PUBLIC EXPLOITS

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VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

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AzeotechDaqfactoryapplication

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