Vulnerabilities

Vulnerability · CVE-2025-41658

CODESYS Runtime Toolkit-based products may expose sensitive files to local low-privileged operating system users due to default file permissions.

Published Aug 4, 2025 · catalog updated Aug 4, 2025 · CODESYS Runtime Toolkit

Check this week

CVE-2025-41658 is not in CISA KEV. FIRST estimates a 12.00% chance of exploitation in the next 30 days. Check whether you run CODESYS Runtime Toolkit.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
12.00%
Remediation
Version ranges on file
Affected products
vendor CODESYS Runtime Toolkit 0.0.0.0 <3.5.21.20

CODESYS Runtime Toolkit-based products may expose sensitive files to local low-privileged operating system users due to default file permissions.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor CODESYS Runtime Toolkit 0.0.0.0 <3.5.21.200.0.0.0 <3.5.21.20

How to fix CVE-2025-41658

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-41658 is not in CISA KEV. FIRST estimates a 12.00% chance of exploitation in the next 30 days. Check whether you run CODESYS Runtime Toolkit.

Which versions are affected?

Compare what you have installed with CODESYS Runtime Toolkit 0.0.0.0 <3.5.21.20 0.0.0.0 <3.5.21.20. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 12.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 4, 2025 · EUVD

    Detected

    CODESYS Runtime Toolkit-based products may expose sensitive files to local low-privileged operating system users due to default file permissions.

  2. Aug 4, 2025 · EUVD

    Updated

    CODESYS Runtime Toolkit-based products may expose sensitive files to local low-privileged operating system users due to default file permissions.

Sources

  • CVE.orgVulnerability recordCVE-2025-41658

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-23492

    CODESYS Runtime Toolkit-based products may expose sensitive files to local low-privileged operating system users due to default file permissions.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Aug 4, 2025. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.