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CVE-2025-41658— CODESYS Toolkit Exposes Sensitive Files via Default Permissions

Quick assessment

Affected
CODESYS Runtime Toolkit
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

CODESYS Runtime Toolkit是德国CODESYS公司的一个全面的可编程控制器软件开发工具包。用于将嵌入式平台或工业 PC 转化为控制器，支持二次开发。 CODESYS Runtime Toolkit存在安全漏洞，该漏洞源于默认文件权限，可能导致敏感文件暴露。

CVSS 5.5 · Medium EPSS 0.12% · P2

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2025-41658

Vulnerability Information
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Vulnerability Title
CODESYS Toolkit Exposes Sensitive Files via Default Permissions
Source: CVE Program / CVE List V5
Vulnerability Description
CODESYS Runtime Toolkit-based products may expose sensitive files to local low-privileged operating system users due to default file permissions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
缺省权限不正确
Source: CVE Program / CVE List V5
Vulnerability Title
CODESYS Runtime Toolkit 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CODESYS Runtime Toolkit是德国CODESYS公司的一个全面的可编程控制器软件开发工具包。用于将嵌入式平台或工业 PC 转化为控制器，支持二次开发。 CODESYS Runtime Toolkit存在安全漏洞，该漏洞源于默认文件权限，可能导致敏感文件暴露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
CODESYS Runtime Toolkit 0.0.0.0 ~ 3.5.21.20 -
CODESYS Control for BeagleBone SL 0.0.0.0 ~ 4.16.0.0 -
CODESYS Control for emPC-A/iMX6 SL 0.0.0.0 ~ 4.16.0.0 -
CODESYS Control for IOT2000 SL 0.0.0.0 ~ 4.16.0.0 -
CODESYS Control for Linux ARM SL 0.0.0.0 ~ 4.16.0.0 -
CODESYS Control for Linux SL 0.0.0.0 ~ 4.16.0.0 -
CODESYS Control for PFC100 SL 0.0.0.0 ~ 4.16.0.0 -
CODESYS Control for PFC200 SL 0.0.0.0 ~ 4.16.0.0 -
CODESYS Control for PLCnext SL 0.0.0.0 ~ 4.16.0.0 -
CODESYS Control for Raspberry Pi SL 0.0.0.0 ~ 4.16.0.0 -
CODESYS Control for WAGO Touch Panels 600 SL 0.0.0.0 ~ 4.16.0.0 -
CODESYS Virtual Control SL 0.0.0.0 ~ 4.16.0.0 -

II. Public POCs for CVE-2025-41658

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III. Intelligence Information for CVE-2025-41658

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Vendor Advisories for CVE-2025-41658 (1)

Same Patch Batch · CODESYS · 2025-08-04 · 3 CVEs total

CVE-2025-41659 8.3 HIGH CODESYS Control PKI Exposure Enables Remote Certificate Access
CVE-2025-41691 7.5 HIGH CODESYS Control DoS via Unauthenticated NULL Pointer Dereference

IV. Related Vulnerabilities

Same product: Runtime Toolkit
Same vendor: CODESYS
Same weakness: CWE-276

V. Comments for CVE-2025-41658

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