CVE-2025-41739
CODESYS Control - Linux/QNX SysSocket flaw
- State
- Published
- Severity
- 5.9 Medium
- Published
- Dec 1, 2025
- Updated
- Jan 7, 2026
- Reserved
- Apr 16, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.9 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H | CERTVDE |
Weaknesses
- CWE-125 Out-of-bounds Read
Affected Products
| Product | Versions |
|---|---|
CODESYS PLCHandlerCODESYS |
|
CODESYS Remote Target VisuCODESYS |
|
CODESYS Runtime ToolkitCODESYS |
|
CODESYS Control for BeagleBone SLCODESYS |
|
CODESYS Control for emPC-A/iMX6 SLCODESYS |
|
CODESYS Control for IOT2000 SLCODESYS |
|
CODESYS Control for Linux ARM SLCODESYS |
|
CODESYS Control for Linux SLCODESYS |
|
CODESYS Control for PFC100 SLCODESYS |
|
CODESYS Control for PFC200 SLCODESYS |
|
CODESYS Control for PLCnext SLCODESYS |
|
CODESYS Control for Raspberry Pi SLCODESYS |
|
CODESYS Control for WAGO Touch Panels 600 SLCODESYS |
|
CODESYS Edge Gateway for LinuxCODESYS |
|
CODESYS TargetVisu for Linux SLCODESYS |
|
CODESYS Virtual Control SLCODESYS |
|
References
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