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CVE-2025-40771: SIMATIC CP 1542SP-1 0 to before V2.4.24; +5 more affected products
CVE-2025-40771. CVSS 3.1 base score 9.8 (CRITICAL, Vendor/CNA). EPSS 0.00528 (percentile 0.43432), scored 17-Oct-2026.
Affected technology
SIMATIC CP 1542SP-1 · 0 to before V2.4.24
Siemens
SIMATIC CP 1542SP-1 IRC · 0 to before V2.4.24
Siemens
SIMATIC CP 1543SP-1 · 0 to before V2.4.24
Siemens
SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL · 0 to before V2.4.24
Siemens
SIPLUS ET 200SP CP 1543SP-1 ISEC · 0 to before V2.4.24
Siemens
SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL · 0 to before V2.4.24
Siemens
Description’s affected range: versions < V2.4.24), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required
What an attacker can do
An unauthenticated remote attacker could access the configuration data. Vendor/CNA’s CVSS 4.0 assessment (base score 9.3/10) rates confidentiality, integrity and availability impact as high.
- CWE
- CWE-306
- 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 · Vendor/CNA
- EPSS
- 0.00528 · percentile 0.43432 · 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-2025-40771.html