Siemens blueplanet hybrid 6.0 NH3-12.0 NH3 Technical Service hard-coded key

Summaryinfo

A vulnerability was found in 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 NX3-20.0 NX3, blueplanet 3.0 TL3-60.0 TL3, blueplanet 3.0-5.0 NX1, 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 and blueplanet hybrid 6.0 NH3-12.0 NH3 and classified as critical. This issue affects some unknown processing of the component Technical Service. The manipulation results in hard-coded key. This vulnerability is reported as CVE-2025-40946. The attacker must have access to the local network to execute the attack. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in 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 NX3-20.0 NX3, blueplanet 3.0 TL3-60.0 TL3, blueplanet 3.0-5.0 NX1, 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 and blueplanet hybrid 6.0 NH3-12.0 NH3. Affected is an unknown code of the component Technical Service. The manipulation with an unknown input leads to a hard-coded key vulnerability. CWE is classifying the issue as CWE-321. The use of a hard-coded cryptographic key significantly increases the possibility that encrypted data may be recovered. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at cert-portal.siemens.com. This vulnerability is traded as CVE-2025-40946 since 04/16/2025. The exploitability is told to be easy. The attack needs to be initiated within the local network. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 06/01/2026). This vulnerability is assigned to T1600.001 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

• Siemens

Name

• blueplanet 3.0 NX3-20.0 NX3
• blueplanet 3.0 TL3-60.0 TL3
• blueplanet 3.0-5.0 NX1
• blueplanet 25.0 NX3-33.0 NX3
• 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 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 360 NX3 M6
• blueplanet gridsafe 92.0 TL3-S
• blueplanet gridsafe 110 TL3-S
• blueplanet gridsafe 137 TL3-S
• blueplanet hybrid 6.0 NH3-12.0 NH3
• blueplanet hybrid 10.0 TL3

License

• commercial

Website

• Vendor: https://www.siemens.com/

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Entryinfo

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