Siemens SIMATIC S7-1500 CPU 1518 MFP Out-of-bounds Write (CVE-2025-21919)

Version 1.2

Jul 28, 2026, 1:30 PM

CVSS metrics ("CVSSv2 score" set to 6.8)
CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C")
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-2025-21919, severity decreased from "High" to "Medium")