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CVE-2025-40946

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CVE-2025-40946

Published: May 12, 2026

Modified: May 29, 2026

PUBLISHED

CVSS v3.1

8.3

HIGH

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 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.

VendorProductVersions

Siemens

blueplanet 100 NX3 M8

affected
0 - < *

Siemens

blueplanet 100 TL3 GEN2

affected
0 - < V6.1.4.9

Siemens

blueplanet 105 TL3

affected
0 - < *

Siemens

blueplanet 105 TL3 GEN2

affected
0 - < V6.1.4.9

Siemens

blueplanet 110 TL3

affected
0 - < *

Siemens

blueplanet 125 NX3 M10

affected
0 - < *

Siemens

blueplanet 125 TL3

affected
0 - < *

Siemens

blueplanet 125 TL3 GEN2

affected
0 - < V6.1.4.9

Siemens

blueplanet 137 TL3

affected
0 - < *

Siemens

blueplanet 150 TL3

affected
0 - < *

Siemens

blueplanet 150 TL3 GEN2

affected
0 - < V6.1.4.9

Siemens

blueplanet 155 TL3

affected
0 - < *

Siemens

blueplanet 155 TL3 GEN2

affected
0 - < V6.1.4.9

Siemens

blueplanet 165 TL3

affected
0 - < *

Siemens

blueplanet 165 TL3 GEN2

affected
0 - < V6.1.4.9

Siemens

blueplanet 25.0 NX3-33.0 NX3

unaffected
0 - < *

Siemens

blueplanet 3.0 NX3-20.0 NX3

unaffected
0 - < *

Siemens

blueplanet 3.0 TL3-60.0 TL3

affected
0 - < *

Siemens

blueplanet 3.0-5.0 NX1

unaffected
0 - < *

Siemens

blueplanet 360 NX3 M6

unaffected
0 - < *

Siemens

blueplanet 50.0 NX3-60.0 NX3

unaffected
0 - < *

Siemens

blueplanet 87.0 TL3

affected
0 - < *

Siemens

blueplanet 87.0 TL3 GEN2

affected
0 - < V6.1.4.9

Siemens

blueplanet 92.0 TL3

affected
0 - < *

Siemens

blueplanet 92.0 TL3 GEN2

affected
0 - < V6.1.4.9

Siemens

blueplanet gridsave 110 TL3-S

affected
0 - < V3.91

Siemens

blueplanet gridsave 137 TL3-S

affected
0 - < V3.91

Siemens

blueplanet gridsave 92.0 TL3-S

affected
0 - < V3.91

Siemens

blueplanet hybrid 10.0 TL3

unaffected
0 - < *

Siemens

blueplanet hybrid 6.0 NH3-12.0 NH3

unaffected
0 - < *

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

High

Availability

High

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