Skip to content
Fencer Vulns
medium 5.5

CVE-2025-41658 json

CODESYS Toolkit Exposes Sensitive Files via Default Permissions

published 2025-08-04 15 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-23492

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits
0
none known

Summary

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

Patch / fix

  • CODESYS Runtime Toolkit 3.5.21.20
  • CODESYS Control for BeagleBone SL 4.16.0.0
  • CODESYS Control for emPC-A/iMX6 SL 4.16.0.0
  • CODESYS Control for IOT2000 SL 4.16.0.0
  • CODESYS Control for Linux ARM SL 4.16.0.0
  • CODESYS Control for Linux SL 4.16.0.0
  • CODESYS Control for PFC100 SL 4.16.0.0
  • CODESYS Control for PFC200 SL 4.16.0.0
  • CODESYS Control for PLCnext SL 4.16.0.0
  • CODESYS Control for Raspberry Pi SL 4.16.0.0
  • CODESYS Control for WAGO Touch Panels 600 SL 4.16.0.0
  • CODESYS Virtual Control SL 4.16.0.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-26-076-01 updated cvss 5.5

CODESYS in Festo Automation Suite

  • CODESYS Development System 3.0 Festo Automation Suite 2.8.0.137, Festo Automation Suite < 2.8.0.138 CODESYS Development System 3.5.16.10 Festo Automation Suite 2.8.0.137, Festo Automation Suite < 2.8.0.138
    affected: mitigation
  • Festo Automation Suite 2.8.0.138 CODESYS Development System 3.5.21.20
    fixed

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
15 mo ago

Exploit prediction

0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

  • CODESYS Runtime Toolkit
  • CODESYS Control for BeagleBone SL
  • CODESYS Control for emPC-A/iMX6 SL
  • CODESYS Control for IOT2000 SL
  • CODESYS Control for Linux ARM SL
  • CODESYS Control for Linux SL
  • CODESYS Control for PFC100 SL
  • CODESYS Control for PFC200 SL
  • CODESYS Control for PLCnext SL
  • CODESYS Control for Raspberry Pi SL
  • CODESYS Control for WAGO Touch Panels 600 SL
  • CODESYS Virtual Control SL

Classification

Weakness
  • CWE-276 Incorrect Default Permissions

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.