CVE-2025-40946HIGH 8.3EPSS p7.8%

CVE-2025-40946CVE-2025-40946

Description

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 M11 (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 gridsafe 110 TL3-S (All versions < V3.91), blueplanet gridsafe 137 TL3-S (All versions < V3.91), blueplanet gridsafe 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.

Scoring

CVSS 3.18.3 (HIGH)
VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
EPSS0.18% probability of exploitation · percentile 7.8% · 2026-06-18T12:00:27Z
Published2026-05-12
Last modified2026-05-12

Underlying weaknesses· 1

CWE-321

References

  1. https://cert-portal.siemens.com/productcert/html/ssa-545643.html

1

TypeTargetConfidenceTier
WeaknessUse of Hard-coded Cryptographic Keycwe-3210%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.