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Siemens SIMATIC S7-1500 CPU 1518 MFP NULL Pointer Dereference (CVE-2025-68818)

high Tenable OT Security Plugin ID 505608

Version 1.4

Jul 31, 2026, 1:14 PM

  • CVSS metrics ("CVSSv3 score" set to 8.8)
  • CVSS metrics ("CVSSv3 vector" set to "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H")
  • CVSSv3 severity (based on None, severity increased from "Medium" to "High")

Plugin Feed: 202607311314

Version 1.3

Jul 30, 2026, 10:03 PM

  • Plugin metadata (Add icsa reference)

Plugin Feed: 202607302203

Version 1.2

Jul 29, 2026, 3:16 PM

  • CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:U/RL:O/RC:C")

Plugin Feed: 202607291516

Version 1.1

Jul 27, 2026, 9:02 PM

  • New

Plugin Feed: 202607272102

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