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CVE record · CVE-2025-41739

CODESYS Control - Linux/QNX SysSocket flaw

CVSS 5.9 MediumEPSS 0.0037 · 31st percentile

Published by the CVE Program (CNA: CERTVDE) at 1 Dec 2025, 10:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
CODESYS CODESYS PLCHandler
  • affected 3.5.21.0 to before 3.5.21.40 semver
Other versions: unaffected
CODESYS CODESYS Remote Target Visu
  • affected 3.5.21.0 to before 3.5.21.40 semver
Other versions: unaffected
CODESYS CODESYS Runtime Toolkit
  • affected 3.5.21.0 to before 3.5.21.40 semver
Other versions: unaffected
CODESYS CODESYS Control for BeagleBone SL
  • affected 4.15.0.0 to before 4.19.0.0 semver
Other versions: unaffected
CODESYS CODESYS Control for emPC-A/iMX6 SL
  • affected 4.15.0.0 to before 4.19.0.0 semver
Other versions: unaffected
CODESYS CODESYS Control for IOT2000 SL
  • affected 4.15.0.0 to before 4.19.0.0 semver
Other versions: unaffected
CODESYS CODESYS Control for Linux ARM SL
  • affected 4.15.0.0 to before 4.19.0.0 semver
Other versions: unaffected
CODESYS CODESYS Control for Linux SL
  • affected 4.15.0.0 to before 4.19.0.0 semver
Other versions: unaffected
CODESYS CODESYS Control for PFC100 SL
  • affected 4.15.0.0 to before 4.19.0.0 semver
Other versions: unaffected
CODESYS CODESYS Control for PFC200 SL
  • affected 4.15.0.0 to before 4.19.0.0 semver
Other versions: unaffected
CODESYS CODESYS Control for PLCnext SL
  • affected 4.15.0.0 to before 4.19.0.0 semver
Other versions: unaffected
CODESYS CODESYS Control for Raspberry Pi SL
  • affected 4.15.0.0 to before 4.19.0.0 semver
Other versions: unaffected
CODESYS CODESYS Control for WAGO Touch Panels 600 SL
  • affected 4.15.0.0 to before 4.19.0.0 semver
Other versions: unaffected
CODESYS CODESYS Edge Gateway for Linux
  • affected 4.15.0.0 to before 4.19.0.0 semver
Other versions: unaffected
CODESYS CODESYS TargetVisu for Linux SL
  • affected 4.15.0.0 to before 4.19.0.0 semver
Other versions: unaffected
CODESYS CODESYS Virtual Control SL
  • affected 4.15.0.0 to before 4.19.0.0 semver
Other versions: unaffected
Identifiers
CVE-2025-41739
CNA
CERTVDE
Weakness (CWE)
CWE-125
Tags
Published
1 Dec 2025
Updated
7 Jan 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.9 Medium 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CNA (CERTVDE)
  • CISA KEV Not listed.
  • EPSS 0.0037, the 31st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 1 Dec 2025. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.