---
id: CVE-2025-40946
title: >-
  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 < V3.92), blueplanet 105 TL3 GEN2 (All versions < V6.1.4.9),
  blueplanet 110 …
summary: >-
  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 < V3.92), blueplanet 105 TL3 GEN2 (All versions < V6.1.4.9),
  blueplanet 110 …
severity: high
cvss: 8.3
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H'
cwe:
  - CWE-321
published: '2026-05-12'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T10:17:13.887'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-40946'
references:
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-545643.html'
    label: productcert@siemens.com
tags:
  - nvd
  - cve.org
epss: 0.00186
epssPercentile: 0.08156
ingestedAt: '2026-10-13T10:22:03.533Z'
vendor: Siemens
product: blueplanet 100 NX3 M8
affected:
  - blueplanet_100_nx3_m8 < *
  - blueplanet_100_tl3_gen2 < V6.1.4.9
  - blueplanet_105_tl3 < V3.92
  - blueplanet_105_tl3_gen2 < V6.1.4.9
  - blueplanet_110_tl3 < V3.92
  - blueplanet_125_nx3_m10 < *
  - blueplanet_125_tl3 < V3.92
  - blueplanet_125_tl3_gen2 < V6.1.4.9
  - blueplanet_137_tl3 < V3.92
  - blueplanet_150_tl3 < V3.92
  - blueplanet_150_tl3_gen2 < V6.1.4.9
  - blueplanet_155_tl3 < V3.92
  - blueplanet_155_tl3_gen2 < V6.1.4.9
  - blueplanet_165_tl3 < V3.92
  - blueplanet_165_tl3_gen2 < V6.1.4.9
  - 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 < V3.92
  - blueplanet_87.0_tl3_gen2 < V6.1.4.9
  - blueplanet_92.0_tl3 < V3.92
  - blueplanet_92.0_tl3_gen2 < V6.1.4.9
  - blueplanet_gridsave_110_tl3-s < V3.91
  - blueplanet_gridsave_137_tl3-s < V3.91
  - blueplanet_gridsave_92.0_tl3-s < V3.91
  - blueplanet_hybrid_10.0_tl3
  - blueplanet_hybrid_6.0_nh3-12.0_nh3
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-05-12T12:43:03.238502Z'
---

## Overview

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 < V3.92), blueplanet 105 TL3 GEN2 (All versions < V6.1.4.9), blueplanet 110 TL3 (All versions < V3.92), blueplanet 125 NX3 M10 (All versions), blueplanet 125 TL3 (All versions < V3.92), blueplanet 125 TL3 GEN2 (All versions < V6.1.4.9), blueplanet 137 TL3 (All versions < V3.92), blueplanet 150 TL3 (All versions < V3.92), blueplanet 150 TL3 GEN2 (All versions < V6.1.4.9), blueplanet 155 TL3 (All versions < V3.92), blueplanet 155 TL3 GEN2 (All versions < V6.1.4.9), blueplanet 165 TL3 (All versions < V3.92), blueplanet 165 TL3 GEN2 (All versions < V6.1.4.9), blueplanet 3.0 TL3-60.0 TL3 (All versions), blueplanet 87.0 TL3 (All versions < V3.92), blueplanet 87.0 TL3 GEN2 (All versions < V6.1.4.9), blueplanet 92.0 TL3 (All versions < V3.92), 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). 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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.