CVE-2025-40743
Published: Aug 12, 2025
Modified: Aug 13, 2025
CVSS v3.1
8.3
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.
| Vendor | Product | Versions |
|---|---|---|
Siemens | SINUMERIK 828D PPU.4 | affected 0 - < V4.95 SP5 |
Siemens | SINUMERIK 828D PPU.5 | affected 0 - < V5.25 SP1 |
Siemens | SINUMERIK 840D sl | affected 0 - < V4.95 SP5 |
Siemens | SINUMERIK MC | affected 0 - < V1.25 SP1 |
Siemens | SINUMERIK MC V1.15 | affected 0 - < V1.15 SP5 |
Siemens | SINUMERIK ONE | affected 0 - < V6.25 SP1 |
Siemens | SINUMERIK ONE V6.15 | affected 0 - < V6.15 SP5 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Security Training
Train your team to recognize and prevent security threats with our comprehensive security awareness program.
Start TrainingVulnerability Scanning
Discover vulnerabilities in your applications and infrastructure before attackers do.
Scan Now