CVE-2025-40743 — Siemens / SINUMERIK 828D PPU.4

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Siemens / SINUMERIK 828D PPU.4	affected 0 before V4.95 SP5
Siemens / SINUMERIK 828D PPU.5	affected 0 before V5.25 SP1
Siemens / SINUMERIK 840D sl	affected 0 before V4.95 SP5
Siemens / SINUMERIK MC	affected 0 before V1.25 SP1
Siemens / SINUMERIK MC V1.15	affected 0 before V1.15 SP5
Siemens / SINUMERIK ONE	affected 0 before V6.25 SP1
Siemens / SINUMERIK ONE V6.15	affected 0 before V6.15 SP5

CWE

CWE-288

References

https://cert-portal.siemens.com/productcert/html/ssa-177847.html

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.