{"id":"CVE-2025-66590","title":"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","summary":"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 executi…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-787"],"vendor":"azeotech","product":"daqfactory","affected":["daqfactory < 21.1"],"patched":["daqfactory 21.1"],"published":"2025-12-11","updated":"2026-10-07","sourceUpdated":"2026-10-07T20:10:01.970","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-66590","references":[{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-345-03.json","label":"ics-cert@hq.dhs.gov"},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-25-345-03","label":"ics-cert@hq.dhs.gov"}],"tags":["nvd"],"epss":0.00383,"epssPercentile":0.30114,"ingestedAt":"2026-10-07T20:46:46.866Z","slug":"CVE-2025-66590","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `daqfactory < 21.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `daqfactory 21.1`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}