CVE-2025-40808: Siemens Siprotec 5 6md84 CP300

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability has been identified in SIPROTEC 5 6MD84 (CP300) (All versions), SIPROTEC 5 6MD85 (CP200) (All versions), SIPROTEC 5 6MD85 (CP300) (All versions), SIPROTEC 5 6MD86 (CP200) (All versions), SIPROTEC 5 6MD86 (CP300) (All versions), SIPROTEC 5 6MD89 (CP300) (All versions), SIPROTEC 5 6MU85 (CP300) (All versions), SIPROTEC 5 7KE85 (CP200) (All versions), SIPROTEC 5 7KE85 (CP300) (All versions), SIPROTEC 5 7SA82 (CP100) (All versions), SIPROTEC 5 7SA82 (CP150) (All versions), SIPROTEC 5 7SA86 (CP200) (All versions), SIPROTEC 5 7SA86 (CP300) (All versions), SIPROTEC 5 7SA87 (CP200) (All versions), SIPROTEC 5 7SA87 (CP300) (All versions), SIPROTEC 5 7SD82 (CP100) (All versions), SIPROTEC 5 7SD82 (CP150) (All versions), SIPROTEC 5 7SD86 (CP200) (All versions), SIPROTEC 5 7SD86 (CP300) (All versions), SIPROTEC 5 7SD87 (CP200) (All versions), SIPROTEC 5 7SD87 (CP300) (All versions), SIPROTEC 5 7SJ81 (CP100) (All versions), SIPROTEC 5 7SJ81 (CP150) (All versions), SIPROTEC 5 7SJ82 (CP100) (All versions), SIPROTEC 5 7SJ82 (CP150) (All versions), SIPROTEC 5 7SJ85 (CP200) (All versions), SIPROTEC 5 7SJ85 (CP300) (All versions), SIPROTEC 5 7SJ86 (CP200) (All versions), SIPROTEC 5 7SJ86 (CP300) (All versions), SIPROTEC 5 7SK82 (CP100) (All versions), SIPROTEC 5 7SK82 (CP150) (All versions), SIPROTEC 5 7SK85 (CP200) (All versions), SIPROTEC 5 7SK85 (CP300) (All versions), SIPROTEC 5 7SL82 (CP100) (All versions), SIPROTEC 5 7SL82 (CP150) (All versions), SIPROTEC 5 7SL86 (CP200) (All versions), SIPROTEC 5 7SL86 (CP300) (All versions), SIPROTEC 5 7SL87 (CP200) (All versions), SIPROTEC 5 7SL87 (CP300) (All versions), SIPROTEC 5 7SS85 (CP200) (All versions), SIPROTEC 5 7SS85 (CP300) (All versions), SIPROTEC 5 7ST85 (CP200) (All versions), SIPROTEC 5 7ST85 (CP300) (All versions), SIPROTEC 5 7ST86 (CP300) (All versions), SIPROTEC 5 7SX82 (CP150) (All versions), SIPROTEC 5 7SX85 (CP300) (All versions), SIPROTEC 5 7SY82 (CP150) (All versions), SIPROTEC 5 7UM85 (CP300) (All versions), SIPROTEC 5 7UT82 (CP100) (All versions), SIPROTEC 5 7UT82 (CP150) (All versions), SIPROTEC 5 7UT85 (CP200) (All versions), SIPROTEC 5 7UT85 (CP300) (All versions), SIPROTEC 5 7UT86 (CP200) (All versions), SIPROTEC 5 7UT86 (CP300) (All versions), SIPROTEC 5 7UT87 (CP200) (All versions), SIPROTEC 5 7UT87 (CP300) (All versions), SIPROTEC 5 7VE85 (CP300) (All versions), SIPROTEC 5 7VK87 (CP200) (All versions), SIPROTEC 5 7VK87 (CP300) (All versions), SIPROTEC 5 7VU85 (CP300) (All versions), SIPROTEC 5 Compact 7SX800 (CP050) (All versions). The affected application allows authenticated users to upload arbitrary files using DIGSI 5 protocol. This could allow an attacker to upload malicious configuration files, that could cause denial of service condition and potentially lead to code execution.

Affected products

  • Siemens Siprotec 5 6md84 CP300: any version
  • Siemens Siprotec 5 6md85 CP200: any version
  • Siemens Siprotec 5 6md85 CP300: any version
  • Siemens Siprotec 5 6md86 CP200: any version
  • Siemens Siprotec 5 6md86 CP300: any version
  • Siemens Siprotec 5 6md89 CP300: any version
  • Siemens Siprotec 5 6mu85 CP300: any version
  • Siemens Siprotec 5 7ke85 CP200: any version
  • Siemens Siprotec 5 7ke85 CP300: any version
  • Siemens Siprotec 5 7sa82 CP100: any version
  • Siemens Siprotec 5 7sa82 CP150: any version
  • Siemens Siprotec 5 7sa86 CP200: any version
  • Siemens Siprotec 5 7sa86 CP300: any version
  • Siemens Siprotec 5 7sa87 CP200: any version
  • Siemens Siprotec 5 7sa87 CP300: any version
  • Siemens Siprotec 5 7sd82 CP100: any version
  • Siemens Siprotec 5 7sd82 CP150: any version
  • Siemens Siprotec 5 7sd86 CP200: any version
  • Siemens Siprotec 5 7sd86 CP300: any version
  • Siemens Siprotec 5 7sd87 CP200: any version
  • Siemens Siprotec 5 7sd87 CP300: any version
  • Siemens Siprotec 5 7sj81 CP100: any version
  • Siemens Siprotec 5 7sj81 CP150: any version
  • Siemens Siprotec 5 7sj82 CP100: any version
  • Siemens Siprotec 5 7sj82 CP150: any version
  • and 36 more

Published 2026-06-09. Last modified 2026-07-23.