P4Verified

CVE-2025-40820: SIDOOR ATD430W 0 to before *; +144 more affected products

CVE-2025-40820. CVSS 3.1 base score 7.5 (HIGH, Vendor/CNA). EPSS 0.0049 (percentile 0.39973), scored 2026-10-05.

Affected technology

SIDOOR ATD430W · 0 to before *
Siemens

SIDOOR ATE530G COATED · 0 to before *
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SIDOOR ATE530S COATED · 0 to before *
Siemens

SIMATIC CFU DIQ · 0 to before V2.0.0
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SIMATIC CFU PA · 0 to before V2.0.0
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SIMATIC ET 200AL IM 157-1 PN · 0 to before *
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SIMATIC ET 200clean, CM 8x IO-Link · 0 to before *
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SIMATIC ET 200clean, DI 16x24VDC · 0 to before *
Siemens

SIMATIC ET 200clean, DIQ 16x24VDC/0,5A · 0 to before *
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SIMATIC ET 200eco PN, AI 8xRTD/TC, M12-L · V5.1.1 to before *
Siemens

SIMATIC ET 200eco PN, CM 4x IO-Link, M12-L · V5.1.1 to before *
Siemens

SIMATIC ET 200eco PN, CM 8x IO-Link, M12-L · V5.1.1 to before *
Siemens

SIMATIC ET 200eco PN, DI 16x24VDC, M12-L · V5.1.1 to before *
Siemens

SIMATIC ET 200eco PN, DI 8x24VDC, M12-L · V5.1.1 to before *
Siemens

SIMATIC ET 200eco PN, DIQ 16x24VDC/2A, M12-L · V5.1.1 to before *
Siemens

SIMATIC ET 200eco PN, DQ 8x24VDC/0,5A, M12-L · V5.1.1 to before *
Siemens

SIMATIC ET 200eco PN, DQ 8x24VDC/2A, M12-L · V5.1.1 to before *
Siemens

SIMATIC ET 200MP IM 155-5 PN HF · V4.2.0 to before *
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SIMATIC ET 200pro IM 154-8 PN/DP CPU · 0 to before *
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SIMATIC ET 200pro IM 154-8F PN/DP CPU · 0 to before *
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SIMATIC ET 200pro IM 154-8FX PN/DP CPU · 0 to before *
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SIMATIC ET 200S IM 151-8 PN/DP CPU · 0 to before *
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SIMATIC ET 200S IM 151-8F PN/DP CPU · 0 to before *
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SIMATIC ET 200SP CPU 1510SP F-1 PN · 0 to before *
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SIMATIC ET 200SP CPU 1510SP-1 PN · 0 to before *
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SIMATIC ET 200SP CPU 1512SP F-1 PN · 0 to before *
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SIMATIC ET 200SP CPU 1512SP-1 PN · 0 to before *
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SIMATIC ET 200SP IM 155-6 MF HF · 0 to before *
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SIMATIC ET 200SP IM 155-6 PN HA (incl. SIPLUS variants) · 0 to before V1.3
Siemens

SIMATIC ET 200SP IM 155-6 PN HF · V4.2.0 to before *
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SIMATIC ET 200SP IM 155-6 PN/2 HF · V4.2.0 to before *
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SIMATIC ET 200SP IM 155-6 PN/3 HF · V4.2.0 to before *
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SIMATIC PN/MF Coupler · 0 to before *
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SIMATIC PN/PN Coupler · 0 to before V6.0.0
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SIMATIC Power Line Booster PLB, Base Module · 0 to before *
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SIMATIC Power Line Booster PLB, Modem Module ST · 0 to before *
Siemens

SIMATIC S7-1200 CPU 1211C AC/DC/Rly · 0 to before V4.4.0
Siemens

SIMATIC S7-1200 CPU 1211C DC/DC/DC · 0 to before V4.4.0
Siemens

SIMATIC S7-1200 CPU 1211C DC/DC/Rly · 0 to before V4.4.0
Siemens

SIMATIC S7-1200 CPU 1212C AC/DC/Rly · 0 to before V4.4.0
Siemens

SIMATIC S7-1200 CPU 1212C DC/DC/DC · 0 to before V4.4.0
Siemens

SIMATIC S7-1200 CPU 1212C DC/DC/Rly · 0 to before V4.4.0
Siemens

SIMATIC S7-1200 CPU 1212FC DC/DC/DC · 0 to before V4.4.0
Siemens

SIMATIC S7-1200 CPU 1212FC DC/DC/Rly · 0 to before V4.4.0
Siemens

SIMATIC S7-1200 CPU 1214C AC/DC/Rly · 0 to before V4.4.0
Siemens

SIMATIC S7-1200 CPU 1214C DC/DC/DC · 0 to before V4.4.0
Siemens

SIMATIC S7-1200 CPU 1214C DC/DC/Rly · 0 to before V4.4.0
Siemens

SIMATIC S7-1200 CPU 1214FC DC/DC/DC · 0 to before V4.4.0
Siemens

SIMATIC S7-1200 CPU 1214FC DC/DC/Rly · 0 to before V4.4.0
Siemens

SIMATIC S7-1200 CPU 1215C AC/DC/Rly · 0 to before V4.4.0
Siemens

SIMATIC S7-1200 CPU 1215C DC/DC/DC · 0 to before V4.4.0
Siemens

SIMATIC S7-1200 CPU 1215C DC/DC/Rly · 0 to before V4.4.0
Siemens

SIMATIC S7-1200 CPU 1215FC DC/DC/DC · 0 to before V4.4.0
Siemens

SIMATIC S7-1200 CPU 1215FC DC/DC/Rly · 0 to before V4.4.0
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SIMATIC S7-1200 CPU 1217C DC/DC/DC · 0 to before V4.4.0
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SIMATIC S7-1500 CPU 1511-1 PN · 0 to before *
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SIMATIC S7-1500 CPU 1511F-1 PN · 0 to before *
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SIMATIC S7-1500 CPU 1513-1 PN · 0 to before *
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SIMATIC S7-1500 CPU 1513F-1 PN · 0 to before *
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SIMATIC S7-1500 CPU 1515-2 PN · 0 to before *
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SIMATIC S7-1500 CPU 1515F-2 PN · 0 to before *
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SIMATIC S7-1500 CPU 1516-3 PN/DP · 0 to before *
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SIMATIC S7-1500 CPU 1516F-3 PN/DP · 0 to before *
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SIMATIC S7-200 SMART CPU CR40 · 0 to before *
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SIMATIC S7-200 SMART CPU CR60 · 0 to before *
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SIMATIC S7-200 SMART CPU SR20 · 0 to before *
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SIMATIC S7-200 SMART CPU SR30 · 0 to before *
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SIMATIC S7-200 SMART CPU SR40 · 0 to before *
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SIMATIC S7-200 SMART CPU SR60 · 0 to before *
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SIMATIC S7-200 SMART CPU ST20 · 0 to before *
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SIMATIC S7-200 SMART CPU ST30 · 0 to before *
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SIMATIC S7-200 SMART CPU ST40 · 0 to before *
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SIMATIC S7-200 SMART CPU ST60 · 0 to before *
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SIMATIC S7-300 CPU 314C-2 PN/DP · 0 to before *
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SIMATIC S7-300 CPU 315-2 PN/DP · 0 to before *
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SIMATIC S7-300 CPU 315F-2 PN/DP · 0 to before *
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SIMATIC S7-300 CPU 315T-3 PN/DP · 0 to before *
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SIMATIC S7-300 CPU 317-2 PN/DP · 0 to before *
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SIMATIC S7-300 CPU 317F-2 PN/DP · 0 to before *
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SIMATIC S7-300 CPU 317T-3 PN/DP · 0 to before *
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SIMATIC S7-300 CPU 317TF-3 PN/DP · 0 to before *
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SIMATIC S7-300 CPU 319-3 PN/DP · 0 to before *
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SIMATIC S7-300 CPU 319F-3 PN/DP · 0 to before *
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SIMATIC S7-400 CPU 412-2 PN V7 · 0 to before *
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SIMATIC S7-400 CPU 414-3 PN/DP V7 · 0 to before *
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SIMATIC S7-400 CPU 414F-3 PN/DP V7 · 0 to before *
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SIMATIC S7-400 CPU 416-3 PN/DP V7 · 0 to before *
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SIMATIC S7-400 CPU 416F-3 PN/DP V7 · 0 to before *
Siemens

SIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants) · 0 to before *
Siemens

SIMATIC S7-410 V10 CPU family (incl. SIPLUS variants) · 0 to before V10.2
Siemens

SIMATIC S7-410 V8 CPU family (incl. SIPLUS variants) · 0 to before V8.3
Siemens

SIMATIC TDC CP51M1 · 0 to before *
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SIMATIC TDC CPU555 · 0 to before *
Siemens

SIMOCODE pro V Ethernet/IP (incl. SIPLUS variants) · 0 to before *
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SIMOCODE pro V PROFINET · 0 to before *
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SINUMERIK 840D sl · 0 to before *
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SIPLUS ET 200MP IM 155-5 PN HF · V4.2.0 to before *
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SIPLUS ET 200MP IM 155-5 PN HF T1 RAIL · V4.2.0 to before *
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SIPLUS ET 200S IM 151-8 PN/DP CPU · 0 to before *
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SIPLUS ET 200S IM 151-8F PN/DP CPU · 0 to before *
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SIPLUS ET 200SP CPU 1512SP F-1 PN · 0 to before *
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SIPLUS ET 200SP IM 155-6 PN HF · V4.2.0 to before *
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SIPLUS ET 200SP IM 155-6 PN HF T1 RAIL · V4.2.0 to before *
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SIPLUS ET 200SP IM 155-6 PN HF TX RAIL · V4.2.0 to before *
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SIPLUS HCS4200 CIM4210 · 0 to before *
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SIPLUS HCS4200 CIM4210C · 0 to before *
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SIPLUS HCS4300 CIM4310 · 0 to before *
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SIPLUS NET PN/PN Coupler · 0 to before V6.0.0
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SIPLUS S7-1200 CPU 1212 AC/DC/RLY · 0 to before V4.4.0
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SIPLUS S7-1200 CPU 1212 DC/DC/RLY · 0 to before V4.4.0
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SIPLUS S7-1200 CPU 1212C AC/DC/RLY · 0 to before V4.4.0
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SIPLUS S7-1200 CPU 1212C DC/DC/DC · 0 to before V4.4.0
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SIPLUS S7-1200 CPU 1212C DC/DC/DC RAIL · 0 to before V4.4.0
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SIPLUS S7-1200 CPU 1214 AC/DC/RLY · 0 to before V4.4.0
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SIPLUS S7-1200 CPU 1214 DC/DC/RLY · 0 to before V4.4.0
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SIPLUS S7-1200 CPU 1214C AC/DC/RLY · 0 to before V4.4.0
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SIPLUS S7-1200 CPU 1214C DC/DC/DC · 0 to before V4.4.0
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SIPLUS S7-1200 CPU 1214C DC/DC/DC RAIL · 0 to before V4.4.0
Siemens

SIPLUS S7-1200 CPU 1214C DC/DC/RLY · 0 to before V4.4.0
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SIPLUS S7-1200 CPU 1214FC DC/DC/DC · 0 to before V4.4.0
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SIPLUS S7-1200 CPU 1214FC DC/DC/RLY · 0 to before V4.4.0
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SIPLUS S7-1200 CPU 1215 AC/DC/RLY · 0 to before V4.4.0
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SIPLUS S7-1200 CPU 1215 DC/DC/DC · 0 to before V4.4.0
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SIPLUS S7-1200 CPU 1215 DC/DC/RLY · 0 to before V4.4.0
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SIPLUS S7-1200 CPU 1215C AC/DC/RLY · 0 to before V4.4.0
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SIPLUS S7-1200 CPU 1215C DC/DC/DC · 0 to before V4.4.0
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SIPLUS S7-1200 CPU 1215FC DC/DC/DC · 0 to before V4.4.0
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SIPLUS S7-1500 CPU 1511-1 PN · 0 to before *
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SIPLUS S7-1500 CPU 1511F-1 PN · 0 to before *
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SIPLUS S7-1500 CPU 1513-1 PN · 0 to before *
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SIPLUS S7-1500 CPU 1513F-1 PN · 0 to before *
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SIPLUS S7-1500 CPU 1516-3 PN/DP · 0 to before *
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SIPLUS S7-1500 CPU 1516F-3 PN/DP · 0 to before *
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SIPLUS S7-300 CPU 314C-2 PN/DP · 0 to before *
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SIPLUS S7-300 CPU 315-2 PN/DP · 0 to before *
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SIPLUS S7-300 CPU 315F-2 PN/DP · 0 to before *
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SIPLUS S7-300 CPU 317-2 PN/DP · 0 to before *
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SIPLUS S7-300 CPU 317F-2 PN/DP · 0 to before *
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SIPLUS S7-400 CPU 414-3 PN/DP V7 · 0 to before *
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SIPLUS S7-400 CPU 416-3 PN/DP V7 · 0 to before *
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SIWAREX WP231 · 0 to before *
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SIWAREX WP241 · 0 to before *
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SIWAREX WP251 · 0 to before *
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SIWAREX WP521 ST · 0 to before *
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SIWAREX WP522 ST · 0 to before *
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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

The source reports that an attacker could disrupt service under the conditions described by the source. Vendor/CNA’s CVSS 4.0 assessment (base score 8.7/10) rates confidentiality and integrity impact as none; availability impact as high.

Published 2026-10-07 11:52:04.184753+00:00

CWE: CWE-940
CCR priority: 30.1 /100 (P4)
CVSS 3.1: 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · Vendor/CNA
EPSS: 0.0049 · percentile 0.40063 · 2026-10-06
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-07 11:53:15.413517+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-07 11:49:32.540646+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-40820.html