CVE-2025-40743
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.
How to fix
- Siemens SINUMERIK 828D PPU.4V4.95 SP5 or later
- Siemens SINUMERIK 828D PPU.5V5.25 SP1 or later
- Siemens SINUMERIK 840D slV4.95 SP5 or later
- Siemens SINUMERIK MCV1.25 SP1 or later
- Siemens SINUMERIK MC V1.15V1.15 SP5 or later
- Siemens SINUMERIK ONEV6.25 SP1 or later
- Siemens SINUMERIK ONE V6.15V6.15 SP5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Siemens SINUMERIK 828D PPU.4 | v < V4.95 SP5 | V4.95 SP5 |
| Siemens SINUMERIK 828D PPU.5 | v < V5.25 SP1 | V5.25 SP1 |
| Siemens SINUMERIK 840D sl | v < V4.95 SP5 | V4.95 SP5 |
| Siemens SINUMERIK MC | v < V1.25 SP1 | V1.25 SP1 |
| Siemens SINUMERIK MC V1.15 | v < V1.15 SP5 | V1.15 SP5 |
| Siemens SINUMERIK ONE | v < V6.25 SP1 | V6.25 SP1 |
| Siemens SINUMERIK ONE V6.15 | v < V6.15 SP5 | V6.15 SP5 |
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