CVE-2025-66590

Out-of-bounds Write vulnerability in AzeoTech DAQFactory

Published Dec 11, 2025 CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
Description
In AzeoTech DAQFactory release 20.7 (Build 2555), an out-of-bounds write vulnerability can be exploited by an attacker to cause the program to write data past the end of an allocated memory buffer. This can lead to arbitrary code execution or a system crash.

Remediation

Vendor Solution

AzeoTech has released the following update that addresses these issues: * DAQFactory: Release 21.1 AzeoTech also recommends users take the following actions to reduce the risk: * Users are discouraged from using documents from unknown/untrusted sources. * Users are encouraged to store .ctl files in a folder only writeable by admin-level users. * Users are encouraged to operate in “Safe Mode” when loading documents that have been out of their control. * Users are encouraged to apply a document editing password to their documents.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description In AzeoTech DAQFactory release 20.7 (Build 2555), an Out-of-bounds Write vulnerability can be exploited by an attacker to cause the program to write data past the end of an allocated memory buffer. This can lead to arbitrary code execution or a system crash. In AzeoTech DAQFactory release 20.7 (Build 2555), an out-of-bounds write vulnerability can be exploited by an attacker to cause the program to write data past the end of an allocated memory buffer. This can lead to arbitrary code execution or a system crash.
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
CPEs cpe:2.3:a:azeotech:daqfactory:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Azeotech
Azeotech daqfactory
Vendors & Products Azeotech
Azeotech daqfactory
Type Values Removed Values Added
Description In AzeoTech DAQFactory release 20.7 (Build 2555), an Out-of-bounds Write vulnerability can be exploited by an attacker to cause the program to write data past the end of an allocated memory buffer. This can lead to arbitrary code execution or a system crash.
Title Out-of-bounds Write vulnerability in AzeoTech DAQFactory
Weaknesses CWE-787
References
Metrics cvssV4_0

{'score': 8.4, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Jun 4, 2026, 8:36 PM
Reserved
Dec 4, 2025, 9:11 PM
Status
Modified
Published
Dec 11, 2025, 9:15 PM
Modified
Oct 7, 2026, 8:10 PM