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.

The EPSS score is 0.00017.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Siemens blueplanet 100 NX3 M8 unknown
Version Status Constraints
0 affected < *
Siemens blueplanet 100 TL3 GEN2 unknown
Version Status Constraints
0 affected < V6.1.4.9
Siemens blueplanet 105 TL3 unknown
Version Status Constraints
0 affected < *
Siemens blueplanet 105 TL3 GEN2 unknown
Version Status Constraints
0 affected < V6.1.4.9
Siemens blueplanet 110 TL3 unknown
Version Status Constraints
0 affected < *
Siemens blueplanet 125 NX3 M11 unknown
Version Status Constraints
0 affected < *
Siemens blueplanet 125 TL3 unknown
Version Status Constraints
0 affected < *
Siemens blueplanet 125 TL3 GEN2 unknown
Version Status Constraints
0 affected < V6.1.4.9
Siemens blueplanet 137 TL3 unknown
Version Status Constraints
0 affected < *
Siemens blueplanet 150 TL3 unknown
Version Status Constraints
0 affected < *
Siemens blueplanet 150 TL3 GEN2 unknown
Version Status Constraints
0 affected < V6.1.4.9
Siemens blueplanet 155 TL3 unknown
Version Status Constraints
0 affected < *
Siemens blueplanet 155 TL3 GEN2 unknown
Version Status Constraints
0 affected < V6.1.4.9
Siemens blueplanet 165 TL3 unknown
Version Status Constraints
0 affected < *
Siemens blueplanet 165 TL3 GEN2 unknown
Version Status Constraints
0 affected < V6.1.4.9
Siemens blueplanet 25.0 NX3-33.0 NX3 unknown
Version Status Constraints
0 unaffected < *
Siemens blueplanet 3.0 NX3-20.0 NX3 unknown
Version Status Constraints
0 unaffected < *
Siemens blueplanet 3.0 TL3-60.0 TL3 unknown
Version Status Constraints
0 affected < *
Siemens blueplanet 3.0-5.0 NX1 unknown
Version Status Constraints
0 unaffected < *
Siemens blueplanet 360 NX3 M6 unknown
Version Status Constraints
0 unaffected < *
Siemens blueplanet 50.0 NX3-60.0 NX3 unknown
Version Status Constraints
0 unaffected < *
Siemens blueplanet 87.0 TL3 unknown
Version Status Constraints
0 affected < *
Siemens blueplanet 87.0 TL3 GEN2 unknown
Version Status Constraints
0 affected < V6.1.4.9
Siemens blueplanet 92.0 TL3 unknown
Version Status Constraints
0 affected < *
Siemens blueplanet 92.0 TL3 GEN2 unknown
Version Status Constraints
0 affected < V6.1.4.9
Siemens blueplanet gridsafe 110 TL3-S unknown
Version Status Constraints
0 affected < V3.91
Siemens blueplanet gridsafe 137 TL3-S unknown
Version Status Constraints
0 affected < V3.91
Siemens blueplanet gridsafe 92.0 TL3-S unknown
Version Status Constraints
0 affected < V3.91
Siemens blueplanet hybrid 10.0 TL3 unknown
Version Status Constraints
0 unaffected < *
Siemens blueplanet hybrid 6.0 NH3-12.0 NH3 unknown
Version Status Constraints
0 unaffected < *

No data.

No data.

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No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://cert-portal.siemens.com/productcert/html/ssa-545643.html cve-icon cve-icon
History

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
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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: siemens

Published:

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

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

Link: CVE-2025-40946

cve-icon Vulnrichment

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

cve-icon NVD

Status : Awaiting Analysis

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

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

Link: CVE-2025-40946

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-12T11:00:07Z

Weaknesses