Vulnerability in Siemens Blueplanet 100 Nx3 M8
CVE-2025-40946
A vulnerability has been identified in blueplanet 100 NX3 M8 (All versions), blueplanet 100 TL3 GEN2 (All versions < V6.1.4.9), blueplanet 105 TL3 (All versions), blueplanet 105 TL3 GEN2 (All versions < V6.1.4.9), blueplanet 110 TL3 (All versions), blueplanet 125 NX3 M10 (All versions), blueplanet 125 TL3 (All versions), blueplanet 125 TL3 GEN2 (All versions < V6.1.4.9), blueplanet 137 TL3 (All versions), blueplanet 150 TL3 (All versions), blueplanet 150 TL3 GEN2 (All versions < V6.1.4.9), blueplanet 155 TL3 (All versions), blueplanet 155 TL3 GEN2 (All versions < V6.1.4.9), blueplanet 165 TL3 (All versions), blueplanet 165 TL3 GEN2 (All versions < V6.1.4.9), blueplanet 25.0 NX3-33.0 NX3 (All versions), blueplanet 3.0 NX3-20.0 NX3 (All versions), blueplanet 3.0 TL3-60.0 TL3 (All versions), blueplanet 3.0-5.0 NX1 (All versions), blueplanet 360 NX3 M6 (All versions), blueplanet 50.0 NX3-60.0 NX3 (All versions), blueplanet 87.0 TL3 (All versions), blueplanet 87.0 TL3 GEN2 (All versions < V6.1.4.9), blueplanet 92.0 TL3 (All versions), blueplanet 92.0 TL3 GEN2 (All versions < V6.1.4.9), blueplanet gridsave 110 TL3-S (All versions < V3.91), blueplanet gridsave 137 TL3-S (All versions < V3.91), blueplanet gridsave 92.0 TL3-S (All versions < V3.91), blueplanet hybrid 10.0 TL3 (All versions), blueplanet hybrid 6.0 NH3-12.0 NH3 (All versions). A CRC16-based algorithm for generating Technical Service credentials could allow an attacker to derive the credentials from the devices serial number and misuse them to gain unauthorized access.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (7.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Siemens Blueplanet 100 Nx3 M8 — versions 0
- Siemens Blueplanet 100 Tl3 Gen2 — versions 0
- Siemens Blueplanet 105 Tl3 — versions 0
- Siemens Blueplanet 105 Tl3 Gen2 — versions 0
- Siemens Blueplanet 110 Tl3 — versions 0
- Siemens Blueplanet 125 Nx3 M10 — versions 0
- Siemens Blueplanet 125 Nx3 M11 — versions 0
- Siemens Blueplanet 125 Tl3 — versions 0
- Siemens Blueplanet 125 Tl3 Gen2 — versions 0
- Siemens Blueplanet 137 Tl3 — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-40946?
- CVE-2025-40946 is a high-severity vulnerability in Siemens Blueplanet 100 Nx3 M8, classified under Use of Hard-coded Cryptographic Key. CVSS score: 8.3/10. Published 2026-05-12.
- How severe is CVE-2025-40946?
- High severity. CVSS v3 base score is 8.3 out of 10.