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Siemens SIMATIC S7-1500 CPU 1518 MFP Improper Input Validation (CVE-2026-31649)

critical Tenable OT Security Plugin ID 505855

Version 1.4

Aug 12, 2026, 9:10 AM

  • CVSS metrics ("CVSSv2 score" set to 10.0)
  • CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C")
  • CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:U/RL:OF/RC:C")

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