CVE-2025-40946 - Vulnerability Details

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.

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Siemens	Blueplanet 100 Nx3 M8 Blueplanet 100 Tl3 Gen2 Blueplanet 105 Tl3 Blueplanet 105 Tl3 Gen2 Blueplanet 110 Tl3 Blueplanet 125 Nx3 M11 Blueplanet 125 Tl3 Blueplanet 125 Tl3 Gen2 Blueplanet 137 Tl3 Blueplanet 150 Tl3 Blueplanet 150 Tl3 Gen2 Blueplanet 155 Tl3 Blueplanet 155 Tl3 Gen2 Blueplanet 165 Tl3 Blueplanet 165 Tl3 Gen2 Blueplanet 25.0 Nx3-33.0 Nx3 Blueplanet 3.0-5.0 Nx1 Blueplanet 3.0 Nx3-20.0 Nx3 Blueplanet 3.0 Tl3-60.0 Tl3 Blueplanet 360 Nx3 M6 Blueplanet 50.0 Nx3-60.0 Nx3 Blueplanet 87.0 Tl3 Blueplanet 87.0 Tl3 Gen2 Blueplanet 92.0 Tl3 Blueplanet 92.0 Tl3 Gen2 Blueplanet Gridsafe 110 Tl3-s Blueplanet Gridsafe 137 Tl3-s Blueplanet Gridsafe 92.0 Tl3-s Blueplanet Hybrid 10.0 Tl3 Blueplanet Hybrid 6.0 Nh3-12.0 Nh3

No data.

References

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

History

Wed, 13 May 2026 11:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Siemens Siemens blueplanet 100 Nx3 M8 Siemens blueplanet 100 Tl3 Gen2 Siemens blueplanet 105 Tl3 Siemens blueplanet 105 Tl3 Gen2 Siemens blueplanet 110 Tl3 Siemens blueplanet 125 Nx3 M11 Siemens blueplanet 125 Tl3 Siemens blueplanet 125 Tl3 Gen2 Siemens blueplanet 137 Tl3 Siemens blueplanet 150 Tl3 Siemens blueplanet 150 Tl3 Gen2 Siemens blueplanet 155 Tl3 Siemens blueplanet 155 Tl3 Gen2 Siemens blueplanet 165 Tl3 Siemens blueplanet 165 Tl3 Gen2 Siemens blueplanet 25.0 Nx3-33.0 Nx3 Siemens blueplanet 3.0-5.0 Nx1 Siemens blueplanet 3.0 Nx3-20.0 Nx3 Siemens blueplanet 3.0 Tl3-60.0 Tl3 Siemens blueplanet 360 Nx3 M6 Siemens blueplanet 50.0 Nx3-60.0 Nx3 Siemens blueplanet 87.0 Tl3 Siemens blueplanet 87.0 Tl3 Gen2 Siemens blueplanet 92.0 Tl3 Siemens blueplanet 92.0 Tl3 Gen2 Siemens blueplanet Gridsafe 110 Tl3-s Siemens blueplanet Gridsafe 137 Tl3-s Siemens blueplanet Gridsafe 92.0 Tl3-s Siemens blueplanet Hybrid 10.0 Tl3 Siemens blueplanet Hybrid 6.0 Nh3-12.0 Nh3
Vendors & Products		Siemens Siemens blueplanet 100 Nx3 M8 Siemens blueplanet 100 Tl3 Gen2 Siemens blueplanet 105 Tl3 Siemens blueplanet 105 Tl3 Gen2 Siemens blueplanet 110 Tl3 Siemens blueplanet 125 Nx3 M11 Siemens blueplanet 125 Tl3 Siemens blueplanet 125 Tl3 Gen2 Siemens blueplanet 137 Tl3 Siemens blueplanet 150 Tl3 Siemens blueplanet 150 Tl3 Gen2 Siemens blueplanet 155 Tl3 Siemens blueplanet 155 Tl3 Gen2 Siemens blueplanet 165 Tl3 Siemens blueplanet 165 Tl3 Gen2 Siemens blueplanet 25.0 Nx3-33.0 Nx3 Siemens blueplanet 3.0-5.0 Nx1 Siemens blueplanet 3.0 Nx3-20.0 Nx3 Siemens blueplanet 3.0 Tl3-60.0 Tl3 Siemens blueplanet 360 Nx3 M6 Siemens blueplanet 50.0 Nx3-60.0 Nx3 Siemens blueplanet 87.0 Tl3 Siemens blueplanet 87.0 Tl3 Gen2 Siemens blueplanet 92.0 Tl3 Siemens blueplanet 92.0 Tl3 Gen2 Siemens blueplanet Gridsafe 110 Tl3-s Siemens blueplanet Gridsafe 137 Tl3-s Siemens blueplanet Gridsafe 92.0 Tl3-s Siemens blueplanet Hybrid 10.0 Tl3 Siemens blueplanet Hybrid 6.0 Nh3-12.0 Nh3

Tue, 12 May 2026 13:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 12 May 2026 11:15:00 +0000

Type	Values Removed	Values Added
Title		Credential Compromise via CRC16 Derivation on Siemens Blueplanet Devices

Tue, 12 May 2026 09:30:00 +0000

Type	Values Removed	Values Added
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.
Weaknesses		CWE-321
References		https://cert-portal.siemens.com/productcert/html/ssa-545643.html
Metrics		cvssV3_1 `{'score': 8.3, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H'}` cvssV4_0 `{'score': 7.2, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: siemens

Published: 2026-05-12T08:20:50.525Z

Updated: 2026-05-12T12:43:12.162Z

Reserved: 2025-04-16T09:06:15.879Z

Link: CVE-2025-40946

Vulnrichment

Updated: 2026-05-12T12:43:06.742Z

NVD

Status : Awaiting Analysis

Published: 2026-05-12T10:16:42.860

Modified: 2026-05-12T14:19:41.400

Link: CVE-2025-40946

Redhat

No data.

Metrics

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact High

Availability Impact High

User Interaction None

Exploitation none

Automatable no

Technical Impact total

Affected Vendors & Products

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