CVE-2025-41739

CODESYS Control - Linux/QNX SysSocket flaw

Published Dec 1, 2025 CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Description
An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the CODESYS Control runtime system on Linux and QNX to trigger an out-of-bounds read via crafted socket communication, potentially causing a denial of service.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Codesys
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 edge Gateway For Linux
Codesys plchandler
Codesys remote Target Visu
Codesys runtime Toolkit
Codesys targetvisu For Linux Sl
Codesys virtual Control Sl
Linux
Linux linux
Vendors & Products Codesys
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 edge Gateway For Linux
Codesys plchandler
Codesys remote Target Visu
Codesys runtime Toolkit
Codesys targetvisu For Linux Sl
Codesys virtual Control Sl
Linux
Linux linux
Type Values Removed Values Added
Description An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the CODESYS Control runtime system on Linux and QNX to trigger an out-of-bounds read via crafted socket communication, potentially causing a denial of service.
Title CODESYS Control - Linux/QNX SysSocket flaw
Weaknesses CWE-125
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H'}