Siemens SIMATIC S7-1500 TM MFP Use After Free (CVE-2025-39863)

high Tenable OT Security Plugin ID 506412

Version 1.2

Oct 22, 2026, 12:02 AM

  • CVSS metrics ("CVSSv2 score" set to 6.8)
  • CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:L/AC:L/Au:S/C:C/I:C/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-2025-39863, severity decreased from "High" to "Medium")

Plugin Feed: 202610220002

Version 1.1

Oct 20, 2026, 11:31 PM

  • New

Plugin Feed: 202610202331

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