Siemens S7-1500 Missing Release of Memory after Effective Lifetime (CVE-2025-39929)

medium Tenable OT Security Plugin ID 505080

Version 1.2

Feb 12, 2026, 7:05 AM

  • CVSS metrics ("CVSSv2 score" set to 4.6)
  • CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C")
  • CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:U/RL:OF/RC:C")
  • CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:U/RL:O/RC:C")
  • CVSSv2 severity (based on CVE-2025-39929, severity decreased from "High" to "Medium")

Plugin Feed: 202602120705

Version 1.1

Feb 10, 2026, 11:15 AM

  • New

Plugin Feed: 202602101115

* Changelogs are generally available for changes made after Nov 1, 2022