Siemens SIMATIC S7-1500 CPU 1518 MFP Out-of-bounds Write (CVE-2026-31402)

high Tenable OT Security Plugin ID 505787

Version 1.2

Jul 28, 2026, 1:30 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:U/RL:O/RC:C")

Plugin Feed: 202607281330