Siemens SIMATIC S7-1500 CPU 1518 MFP Out-of-bounds Read (CVE-2025-22121)

high Tenable OT Security Plugin ID 505674

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 metrics ("CVSSv2 score" set to 6.2)
  • CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:L/AC:L/Au:S/C:C/I:N/A:C")
  • CVSS metrics ("CVSSv3 score" set to 7.1)
  • CVSS metrics ("CVSSv3 vector" set to "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H")
  • 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-2025-22121, severity decreased from "High" to "Medium")
  • CVSSv3 severity (based on None, severity increased from "Medium" to "High")

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