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CVE-2025-40743

A vulnerability has been identified in SINUMERIK 828D PPU.4 (All versions < V4.95 SP5), SINUMERIK 828D PPU.5 (All versions < V5.25 SP1), SIN

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in V4.95 SP5, V5.25 SP1, V1.25 SP1, V1.15 SP5, V6.25 SP1, and 1 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

A vulnerability has been identified in SINUMERIK 828D PPU.4 (All versions < V4.95 SP5), SINUMERIK 828D PPU.5 (All versions < V5.25 SP1), SINUMERIK 840D sl (All versions < V4.95 SP5), SINUMERIK MC (All versions < V1.25 SP1), SINUMERIK MC V1.15 (All versions < V1.15 SP5), SINUMERIK ONE (All versions < V6.25 SP1), SINUMERIK ONE V6.15 (All versions < V6.15 SP5). The affected application improperly validates authentication for its VNC access service, allowing access with insufficient password verification. This could allow an attacker to gain unauthorized remote access and potentially compromise system confidentiality, integrity, or availability.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Siemens SINUMERIK 828D PPU.4

    fixed in V4.95 SP5

  • Siemens SINUMERIK 828D PPU.5

    fixed in V5.25 SP1

  • Siemens SINUMERIK 840D sl

    fixed in V4.95 SP5

  • Siemens SINUMERIK MC

    fixed in V1.25 SP1

  • Siemens SINUMERIK MC V1.15

    fixed in V1.15 SP5

  • Siemens SINUMERIK ONE

    fixed in V6.25 SP1

  • Siemens SINUMERIK ONE V6.15

    fixed in V6.15 SP5

References 1

cert-portal.siemens.com