Siemens SIMATIC S7-1500 CPU 1518 MFP Write-what-where Condition (CVE-2026-43284)

high Tenable OT Security Plugin ID 505598

Version 1.2

Jul 29, 2026, 3:16 PM

  • CVSS metrics ("CVSSv3 score" set to 7.8)
  • CVSS metrics ("CVSSv3 vector" set to "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H")
  • CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:H/RL:O/RC:C")
  • Exploit attributes ("Exploit framework core" set to "True")
  • Exploit attributes ("Exploit framework metasploit" set to "True")
  • Exploit attributes ("Exploited by malware" set to "True")

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