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CVE-2025-40946

Siemens · published 2026-05-12

Source record Collected from the National Vulnerability Database (NVD)

Description

Description by Siemens AG via the CVE Program.

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.

Status at the source

Affected products, as the source lists them

VendorProductVersions
Siemensblueplanet 100 NX3 M80 – before *: affected
Siemensblueplanet 100 TL3 GEN20 – before V6.1.4.9: affected
Siemensblueplanet 105 TL30 – before *: affected
Siemensblueplanet 105 TL3 GEN20 – before V6.1.4.9: affected
Siemensblueplanet 110 TL30 – before *: affected
Siemensblueplanet 125 NX3 M100 – before *: affected
Siemensblueplanet 125 TL30 – before *: affected
Siemensblueplanet 125 TL3 GEN20 – before V6.1.4.9: affected
Siemensblueplanet 137 TL30 – before *: affected
Siemensblueplanet 150 TL30 – before *: affected
Siemensblueplanet 150 TL3 GEN20 – before V6.1.4.9: affected
Siemensblueplanet 155 TL30 – before *: affected
Siemensblueplanet 155 TL3 GEN20 – before V6.1.4.9: affected
Siemensblueplanet 165 TL30 – before *: affected
Siemensblueplanet 165 TL3 GEN20 – before V6.1.4.9: affected
Siemensblueplanet 25.0 NX3-33.0 NX30 – before *: unaffected
Siemensblueplanet 3.0 NX3-20.0 NX30 – before *: unaffected
Siemensblueplanet 3.0 TL3-60.0 TL30 – before *: affected
Siemensblueplanet 3.0-5.0 NX10 – before *: unaffected
Siemensblueplanet 360 NX3 M60 – before *: unaffected
Siemensblueplanet 50.0 NX3-60.0 NX30 – before *: unaffected
Siemensblueplanet 87.0 TL30 – before *: affected
Siemensblueplanet 87.0 TL3 GEN20 – before V6.1.4.9: affected
Siemensblueplanet 92.0 TL30 – before *: affected
Siemensblueplanet 92.0 TL3 GEN20 – before V6.1.4.9: affected
Siemensblueplanet gridsave 110 TL3-S0 – before V3.91: affected
Siemensblueplanet gridsave 137 TL3-S0 – before V3.91: affected
Siemensblueplanet gridsave 92.0 TL3-S0 – before V3.91: affected
Siemensblueplanet hybrid 10.0 TL30 – before *: unaffected
Siemensblueplanet hybrid 6.0 NH3-12.0 NH30 – before *: unaffected

DeSpy has not checked any unit, hardware revision or firmware. A product missing here is not a statement that it is unaffected.

Scores, as their sources published them

DeSpy does not score records. These are the sources' own values.

Weaknesses

CWE-321

Sources

References the source lists

Source dates: published 2026-05-12, last changed 2026-06-17. DeSpy's copy of this version is dated 2026-09-28.

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