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Vulnerabilities

Vulnerability · CVE-2025-66590

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 allocat

Published Dec 11, 2025 · catalog updated Jun 4, 2026 · AzeoTech DAQFactory

Last checked Oct 31, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-66590. EPSS is 0.38%. Act only if a listed version of AzeoTech DAQFactory is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High8.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.38%
Remediation
Vendor / distro source
Affected products
vendor AzeoTech DAQFactory 0 ≤Release 20.7 (Build 2555)

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor AzeoTech DAQFactory 0 ≤Release 20.7 (Build 2555)0 ≤Release 20.7 (Build 2555)

How to fix CVE-2025-66590

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-66590. EPSS is 0.38%. Act only if a listed version of AzeoTech DAQFactory is installed.

Which versions are affected?

Compare what you have installed with AzeoTech DAQFactory 0 ≤Release 20.7 (Build 2555) 0 ≤Release 20.7 (Build 2555). Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.38%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 11, 2025 · EUVD

    Detected

    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.

  2. Jun 4, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-66590

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-66590

    30-day exploitation probability 0.38%

    first.org
  • EUVDVulnerability recordEUVD-2025-202864

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 31, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 31, 2026
  • CVE.orgOct 26, 2026
  • EUVDOct 26, 2026