CVE-2025-41739
Published: Dec 1, 2025
Modified: Jan 7, 2026
CVSS v3.1
5.9
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.
| Vendor | Product | Versions |
|---|---|---|
CODESYS | CODESYS PLCHandler | affected 3.5.21.0 - < 3.5.21.40 |
CODESYS | CODESYS Remote Target Visu | affected 3.5.21.0 - < 3.5.21.40 |
CODESYS | CODESYS Runtime Toolkit | affected 3.5.21.0 - < 3.5.21.40 |
CODESYS | CODESYS Control for BeagleBone SL | affected 4.15.0.0 - < 4.19.0.0 |
CODESYS | CODESYS Control for emPC-A/iMX6 SL | affected 4.15.0.0 - < 4.19.0.0 |
CODESYS | CODESYS Control for IOT2000 SL | affected 4.15.0.0 - < 4.19.0.0 |
CODESYS | CODESYS Control for Linux ARM SL | affected 4.15.0.0 - < 4.19.0.0 |
CODESYS | CODESYS Control for Linux SL | affected 4.15.0.0 - < 4.19.0.0 |
CODESYS | CODESYS Control for PFC100 SL | affected 4.15.0.0 - < 4.19.0.0 |
CODESYS | CODESYS Control for PFC200 SL | affected 4.15.0.0 - < 4.19.0.0 |
CODESYS | CODESYS Control for PLCnext SL | affected 4.15.0.0 - < 4.19.0.0 |
CODESYS | CODESYS Control for Raspberry Pi SL | affected 4.15.0.0 - < 4.19.0.0 |
CODESYS | CODESYS Control for WAGO Touch Panels 600 SL | affected 4.15.0.0 - < 4.19.0.0 |
CODESYS | CODESYS Edge Gateway for Linux | affected 4.15.0.0 - < 4.19.0.0 |
CODESYS | CODESYS TargetVisu for Linux SL | affected 4.15.0.0 - < 4.19.0.0 |
CODESYS | CODESYS Virtual Control SL | affected 4.15.0.0 - < 4.19.0.0 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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