CVE-2025-40594: sinamics g220 firmware 6.4; +5 more affected products

CVE-2025-40594. CVSS 3.1 base score 9.8 (CRITICAL, NVD). EPSS 0.00209 (percentile 0.10271), scored 17-Oct-2026.

Affected technology

sinamics g220 firmware · 6.4
siemens

sinamics g220 firmware · 6.4 · update hf1
siemens

sinamics s200 firmware · 6.4
siemens

sinamics s210 firmware · 6.4
siemens

sinamics s210 firmware · 6.4 · update hf1
siemens

SINAMICS G220 V6.4 · 0 to before V6.4 HF2
Siemens

SINAMICS S200 V6.4 · 0 to before V6.4 HF7
Siemens

SINAMICS S210 V6.4 · 0 to before V6.4 HF2
Siemens

Description’s affected range: versions < V6.4 HF2), SINAMICS S200 V6.4 (All versions < V6.4 HF7), SINAMICS S210 V6.4 (All versions < V6.4 HF2)

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Local · No privileges required · Active user interaction

What an attacker can do

An unauthorized attacker could escalate their privileges. Vendor/CNA’s CVSS 4.0 assessment (base score 6.9/10) rates confidentiality impact as none; integrity impact as high; availability impact as low.

Published 18-Oct-2026 22:51 UTC

CWE: CWE-269
CCR priority: 39.3 /100 (P4)
CVSS 3.1: 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · NVD
EPSS: 0.00209 · percentile 0.10271 · 2026-10-17
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-18 22:50:08.248207+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-40594.html