Multiple vulnerabilities in AzeoTech DAQFactory

Published: 2026-01-09

Risk	High
Patch available	YES
Number of vulnerabilities	4
CVE-ID	CVE-2025-66590 CVE-2025-66586 CVE-2025-66585 CVE-2025-66589
CWE-ID	CWE-787 CWE-843 CWE-416 CWE-125
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	DAQFactory Client/Desktop applications / Other client software
Vendor	AzeoTech

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Out-of-bounds write

EUVDB-ID: #VU121129

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-2025-66590

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can create a specially crafted CTL file, trick the victim into opening it using the affected software, trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

DAQFactory: 20.7 2555 and previous versions

CPE2.3

External links

https://www.zerodayinitiative.com/advisories/ZDI-25-1162/
https://www.zerodayinitiative.com/advisories/ZDI-25-1129/
https://www.zerodayinitiative.com/advisories/ZDI-25-1130/
https://www.cisa.gov/news-events/ics-advisories/icsa-25-345-03

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Type Confusion

EUVDB-ID: #VU121131

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 - Type confusion

Exploit availability: No

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

CPE2.3

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/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Use-after-free

EUVDB-ID: #VU121130

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-2025-66585

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error. A remote attacker can trick a victim to open a specially crafted CTL file and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

DAQFactory: 20.7 2555 and previous versions

CPE2.3

External links

https://www.zerodayinitiative.com/advisories/ZDI-25-1128/
https://www.cisa.gov/news-events/ics-advisories/icsa-25-345-03

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Out-of-bounds read

EUVDB-ID: #VU121128

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 - Out-of-bounds read

Exploit availability: No

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

CPE2.3

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/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.