Siemens SIMATIC S7-1500 TM MFP Heap-based Buffer Overflow (CVE-2026-53362)

Version 1.3

Oct 22, 2026, 12:02 AM

CISA reference
CVSS metrics ("CVSSv2 score" set to 6.8. "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:F/RL:OF/RC:C". "CVSSv3 temporal vector" set to "CVSS:3.0/E:F/RL:O/RC:C")
CVSSv2 severity (based on CVE-2026-53362, severity decreased from "High" to "Medium")
Exploit attributes ("Exploit available" set to "True". "Exploitability ease" changed from "No known exploits are available" to "Exploits are available")