CVE-2025-41700: codesys before 3.5.21.40 (exclusive); +1 more affected products

CVE-2025-41700. CVSS 3.1 base score 7.8 (HIGH, Vendor/CNA). EPSS 0.00155 (percentile 0.04195), scored 17-Oct-2026.

Affected technology

codesys · before 3.5.21.40 (exclusive)
codesys

CODESYS Development System · 0.0.0 to before 3.5.21.40
CODESYS

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Local · No privileges required · User interaction required

What an attacker can do

An unauthenticated attacker can trick a local user into executing arbitrary code by opening a deliberately manipulated CODESYS project file with a CODESYS development system. Vendor/CNA’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high.

Published 18-Oct-2026 18:49 UTC

CWE: CWE-502
CCR priority: 31.2 /100 (P4)
CVSS 3.1: 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.00155 · percentile 0.04195 · 2026-10-17
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-18 18:49:36.049749+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-41700.html