CVE-2025-40946: A vulnerability has been identified in blueplanet 100 NX3 M8 (All versions), blueplanet 100 TL3 GEN2 (All vers

Q: How do I fix CVE-2025-40946?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Q: Is CVE-2025-40946 being exploited?

CVE-2025-40946 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-40946 affect?

CVE-2025-40946 affects affected software. Severity is high (CVSS 8.3). 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

Routine

HIGH 8.3

CVE-2025-40946 is a high-severity flaw (CVSS 8.3) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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), blueplane

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.3 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 92%)
CISA exploited list	No
Weakness	CWE-321
Published	2026-05-12
Last modified	2026-10-23

Publisher (CNA): Siemens AG

Timeline

2026-05-12 10:16 UTCPublished CVE record published
2026-10-23 23:10 UTCUpdated Record last modified

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-40946?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2025-40946 being exploited?

CVE-2025-40946 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-40946 affect?

CVE-2025-40946 affects affected software. Severity is high (CVSS 8.3). 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

How urgent is CVE-2025-40946?

Priority 31/100. High severity

References

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