SB2026072773 - Multiple vulnerabilities in AzeoTech DAQFactory

Description

This security bulletin contains information about 2 vulnerabilities.

1) Type Confusion (CVE-ID: CVE-2026-12390)

CWE-ID: CWE-843 - Type confusion

CVSSv4: 8.4 [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]

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.

2) Use-after-free (CVE-ID: CVE-2026-12921)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 8.4 [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]

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 crafte CTL file and execute arbitrary code on the target system.

Remediation

Install update from vendor's website.

References

• https://www.zerodayinitiative.com/advisories/ZDI-26-449/
• https://www.cisa.gov/news-events/ics-advisories/icsa-26-169-02
• https://www.zerodayinitiative.com/advisories/ZDI-26-450/