# Hard-coded cryptographic key in Siemens blueplanet 100 NX3 M8 and others CVE record · `CVE-2025-40946` - **Identifiers:** `CVE-2025-40946` - **State:** Confirmed - **Severity:** CVSS 7.2 High - **Critical:** No - **CNA:** siemens - **Weakness (CWE):** [CWE-321](https://cwe.mitre.org/data/definitions/321.html) - **Tags:** [Hard-coded credentials](https://agentprime.io/advisories/tag/hard-coded-credentials.md) - **Technologies:** [Siemens blueplanet 100 NX3 M8](https://agentprime.io/advisories/technology/siemens-blueplanet-100-nx3-m8.md) · [Siemens blueplanet 100 TL3 GEN2](https://agentprime.io/advisories/technology/siemens-blueplanet-100-tl3-gen2.md) · [Siemens blueplanet 105 TL3](https://agentprime.io/advisories/technology/siemens-blueplanet-105-tl3.md) · [Siemens blueplanet 105 TL3 GEN2](https://agentprime.io/advisories/technology/siemens-blueplanet-105-tl3-gen2.md) · [Siemens blueplanet 110 TL3](https://agentprime.io/advisories/technology/siemens-blueplanet-110-tl3.md) · [Siemens blueplanet 125 NX3 M10](https://agentprime.io/advisories/technology/siemens-blueplanet-125-nx3-m10.md) · [Siemens blueplanet 125 TL3](https://agentprime.io/advisories/technology/siemens-blueplanet-125-tl3.md) · [Siemens blueplanet 125 TL3 GEN2](https://agentprime.io/advisories/technology/siemens-blueplanet-125-tl3-gen2.md) · [Siemens blueplanet 137 TL3](https://agentprime.io/advisories/technology/siemens-blueplanet-137-tl3.md) · [Siemens blueplanet 150 TL3](https://agentprime.io/advisories/technology/siemens-blueplanet-150-tl3.md) · [Siemens blueplanet 150 TL3 GEN2](https://agentprime.io/advisories/technology/siemens-blueplanet-150-tl3-gen2.md) · [Siemens blueplanet 155 TL3](https://agentprime.io/advisories/technology/siemens-blueplanet-155-tl3.md) · [Siemens blueplanet 155 TL3 GEN2](https://agentprime.io/advisories/technology/siemens-blueplanet-155-tl3-gen2.md) · [Siemens blueplanet 165 TL3](https://agentprime.io/advisories/technology/siemens-blueplanet-165-tl3.md) · [Siemens blueplanet 165 TL3 GEN2](https://agentprime.io/advisories/technology/siemens-blueplanet-165-tl3-gen2.md) · [Siemens blueplanet 25.0 NX3-33.0 NX3](https://agentprime.io/advisories/technology/siemens-blueplanet-25-0-nx3-33-0-nx3.md) · [Siemens blueplanet 3.0 NX3-20.0 NX3](https://agentprime.io/advisories/technology/siemens-blueplanet-3-0-nx3-20-0-nx3.md) · [Siemens blueplanet 3.0 TL3-60.0 TL3](https://agentprime.io/advisories/technology/siemens-blueplanet-3-0-tl3-60-0-tl3.md) · [Siemens blueplanet 3.0-5.0 NX1](https://agentprime.io/advisories/technology/siemens-blueplanet-3-0-5-0-nx1.md) · [Siemens blueplanet 360 NX3 M6](https://agentprime.io/advisories/technology/siemens-blueplanet-360-nx3-m6.md) - **Published:** 12 May 2026 - **Updated:** 13 Oct 2026 - **Reviewed by a person:** No Published by the CVE Program (CNA: siemens) at 12 May 2026, 08:20 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. ## Affected products, as the CNA wrote them - Vendor: Siemens. Product: blueplanet 100 NX3 M8. - affected: `before *` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 100 TL3 GEN2. - affected: `before V6.1.4.9` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 105 TL3. - affected: `before V3.92` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 105 TL3 GEN2. - affected: `before V6.1.4.9` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 110 TL3. - affected: `before V3.92` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 125 NX3 M10. - affected: `before *` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 125 TL3. - affected: `before V3.92` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 125 TL3 GEN2. - affected: `before V6.1.4.9` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 137 TL3. - affected: `before V3.92` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 150 TL3. - affected: `before V3.92` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 150 TL3 GEN2. - affected: `before V6.1.4.9` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 155 TL3. - affected: `before V3.92` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 155 TL3 GEN2. - affected: `before V6.1.4.9` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 165 TL3. - affected: `before V3.92` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 165 TL3 GEN2. - affected: `before V6.1.4.9` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 25.0 NX3-33.0 NX3. - unaffected: `before *` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 3.0 NX3-20.0 NX3. - unaffected: `before *` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 3.0 TL3-60.0 TL3. - affected: `before *` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 3.0-5.0 NX1. - unaffected: `before *` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 360 NX3 M6. - unaffected: `before *` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 50.0 NX3-60.0 NX3. - unaffected: `before *` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 87.0 TL3. - affected: `before V3.92` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 87.0 TL3 GEN2. - affected: `before V6.1.4.9` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 92.0 TL3. - affected: `before V3.92` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet 92.0 TL3 GEN2. - affected: `before V6.1.4.9` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet gridsave 110 TL3-S. - affected: `before V3.91` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet gridsave 137 TL3-S. - affected: `before V3.91` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet gridsave 92.0 TL3-S. - affected: `before V3.91` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet hybrid 10.0 TL3. - unaffected: `before *` (custom) - Other versions: unknown - Vendor: Siemens. Product: blueplanet hybrid 6.0 NH3-12.0 NH3. - unaffected: `before *` (custom) - Other versions: unknown ## Not analysed yet We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter. ## Severity and exploitation - 8.3 High, CVSS 3.1: `CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H`, from CNA (siemens) - 7.2 High, CVSS 4.0: `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`, from CNA (siemens) (used for this record) - **CISA KEV:** Not listed. - **EPSS:** 0.0019, the 8th percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days. ## Timeline This record came from the full history of the CVE Program, published 12 May 2026. New records show when each source confirmed them. ## Sources - [CVE List: CVE-2025-40946](https://www.cve.org/CVERecord?id=CVE-2025-40946) - [NVD: CVE-2025-40946](https://nvd.nist.gov/vuln/detail/CVE-2025-40946) ### References from the CNA - Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description. ## Check whether this affects you This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run. - With the agentprime MCP server (), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: - As JSON: - Everything that needs attention now: --- The web page: . Everything for agents: .