Description

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.

INFO

Published Date :

2025-08-12T11:17:03.997Z

Last Modified :

2025-08-13T20:18:49.085Z

Source :

siemens
AFFECTED PRODUCTS

The following products are affected by CVE-2025-40743 vulnerability.

Vendors Products
Siemens
  • Sinumerik 828d
  • Sinumerik 840d Sl
  • Sinumerik Mc
  • Sinumerik One
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-40743.

URL Resource
https://cert-portal.siemens.com/productcert/html/ssa-177847.html cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact