CVE-2025-40743
CVE-2025-40743
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 8.7EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
12 Aug 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Affected products
Siemens · SINUMERIK 828D PPU.4Siemens · SINUMERIK 828D PPU.5Siemens · SINUMERIK 840D slSiemens · SINUMERIK MCSiemens · SINUMERIK MC V1.15Siemens · SINUMERIK ONESiemens · SINUMERIK ONE V6.15Want to know if your infrastructure is exposed to this?
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