Siemens LOGO! 8 BM Devices Buffer Copy Without Checking Size of Input (CVE-2025-40815)

Version 1.3

Feb 20, 2026, 9:10 AM

CVSS metrics ("CVSSv2 score" set to 8.3)
CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:C")
CVSS metrics ("CVSSv3 score" set to 7.2)
CVSS metrics ("CVSSv3 vector" set to "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/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")
CVSSv3 severity (based on None, severity increased from "Medium" to "High")