High severity · published Dec 1, 2025
CVE-2025-41738
An unauthenticated remote attacker may cause the visualisation server of the CODESYS Control runtime system to access a resource with a pointer of wrong type, potentially leading…
7.5
CVSS
0.4%
EPSS
No
On KEV
Description
An unauthenticated remote attacker may cause the visualisation server of the CODESYS Control runtime system to access a resource with a pointer of wrong type, potentially leading to a denial-of-service (DoS) condition.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
Control For Beaglebone SL · Codesys
4.5.0.0 before 4.19.0.0 · source: NVD
CF
Control For Empc-a/imx6 SL · Codesys
4.5.0.0 through 4.19.0.0 · source: NVD
CF
Control For Iot2000 SL · Codesys
4.5.0.0 before 4.19.0.0 · source: NVD
CF
Control For Linux Arm SL · Codesys
4.5.0.0 before 4.19.0.0 · source: NVD
CF
Control For Linux SL · Codesys
4.5.0.0 before 4.19.0.0 · source: NVD
CF
Control For Pfc100 SL · Codesys
4.5.0.0 through 4.19.0.0 · source: NVD
CF
Control For Pfc200 SL · Codesys
4.5.0.0 before 4.19.0.0 · source: NVD
CF
Control For Plcnext SL · Codesys
4.5.0.0 before 4.19.0.0 · source: NVD
CF
Control For Raspberry PI SL · Codesys
4.5.0.0 before 4.19.0.0 · source: NVD
CF
Control For Wago Touch Panels 600 SL · Codesys
4.5.0.0 through 4.19.0.0 · source: NVD
CR
Control Rte SL · Codesys
3.5.18.0 before 3.5.21.40 · source: NVD
CR
Control Rte SL (for Beckhoff Cx) · Codesys
3.5.18.0 before 3.5.21.40 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-41738
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-41738
Third Party Advisory
https://certvde.com/de/advisories/VDE-2025-100
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