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CVE-2026-76992 (GCVE-0-2026-76992)
Vulnerability from nvd – Published: 2026-09-30 11:07 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Uncontrolled Memory Allocation in CODESYS Gateway Client
Summary
The CODESYS Gateway Client allocates memory based on a size field in a gateway response without enforcing an appropriate upper limit. An unauthenticated remote attacker controlling a malicious gateway can exploit this behavior to trigger excessive memory consumption, resulting in a denial-of-service condition thus leading to a total loss of availablity.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:48 UTC
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
1 reference
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | Development System 3 |
Affected:
3.0.0.0 , < 3.5.22.40
(generic)
|
|
| CODESYS | Gateway |
Affected:
3.0.0.0 , < 3.5.22.40
(generic)
|
|
| CODESYS | Edge Gateway for Windows |
Affected:
3.0.0.0 , < 3.5.22.40
(generic)
|
|
| CODESYS | HMI (SL) |
Affected:
3.0.0.0 , < 3.5.22.40
(generic)
|
|
| CODESYS | OPC DA Server SL |
Affected:
3.0.0.0 , < 3.5.22.40
(generic)
|
|
| CODESYS | PLCHandler |
Affected:
3.0.0.0 , < 3.5.22.40
(generic)
|
|
| CODESYS | Runtime Toolkit |
Affected:
3.0.0.0 , < 3.5.22.40
(generic)
|
|
| CODESYS | Edge Gateway for Linux |
Affected:
3.15.0.0 , < 4.23.0.0
(generic)
|
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CVE-2026-79625 (GCVE-0-2026-79625)
Vulnerability from nvd – Published: 2026-09-30 09:23 – Updated: 2026-09-30 13:49
VLAI
EPSS
VEX
Title
Improper Synchronization in Monitoring in CODESYS Control Runtime
Summary
Affected products do not properly synchronize access to their monitoring functionality. When multiple clients send concurrent requests, this may lead to incorrect reads or writes, or to corruption of internal memory structures. An authenticated remote attacker with monitoring access can exploit this issue to cause incorrect data processing or a denial-of-service condition.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 13:49 UTC
CWE
- CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Assigner
References
1 reference
Impacted products
18 products
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | Control RTE (SL) |
Affected:
3.0.0.0 , < 3.5.22.40
(semver)
|
|
| CODESYS | Control RTE (for Beckhoff CX) SL |
Affected:
3.0.0.0 , < 3.5.22.40
(semver)
|
|
| CODESYS | Control Win (SL) |
Affected:
3.0.0.0 , < 3.5.22.40
(semver)
|
|
| CODESYS | Runtime Toolkit |
Affected:
3.0.0.0 , < 3.5.22.40
(semver)
|
|
| CODESYS | Safety SIL2 |
Affected:
3.0.0.0 , < 3.5.22.40
(semver)
|
|
| CODESYS | HMI (SL) |
Affected:
3.0.0.0 , < 3.5.22.40
(semver)
|
|
| CODESYS | Development System 3 |
Affected:
3.0.0.0 , < 3.5.22.40
(semver)
|
|
| CODESYS | Control for BeagleBone SL |
Affected:
3.5.0.0 , < 4.23.0.0
(semver)
|
|
| CODESYS | Control for emPC-A/iMX6 SL |
Affected:
3.5.0.0 , < 4.23.0.0
(semver)
|
|
| CODESYS | Control for IOT2000 SL |
Affected:
3.5.0.0 , < 4.23.0.0
(semver)
|
|
| CODESYS | Control for Linux ARM SL |
Affected:
3.5.0.0 , < 4.23.0.0
(semver)
|
|
| CODESYS | Control for Linux SL |
Affected:
3.5.0.0 , < 4.23.0.0
(semver)
|
|
| CODESYS | Control for PFC100 SL |
Affected:
3.5.0.0 , < 4.23.0.0
(semver)
|
|
| CODESYS | Control for PFC200 SL |
Affected:
3.5.0.0 , < 4.23.0.0
(semver)
|
|
| CODESYS | Control for PLCnext SL |
Affected:
3.5.0.0 , < 4.23.0.0
(semver)
|
|
| CODESYS | Control for Raspberry Pi SL |
Affected:
3.5.0.0 , < 4.23.0.0
(semver)
|
|
| CODESYS | Control for WAGO Touch Panels 600 SL |
Affected:
3.5.0.0 , < 4.23.0.0
(semver)
|
|
| CODESYS | Virtual Control SL |
Affected:
3.5.0.0 , < 4.23.0.0
(semver)
|
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CVE-2026-35226 (GCVE-0-2026-35226)
Vulnerability from nvd – Published: 2026-07-29 07:05 – Updated: 2026-07-29 14:27
VLAI
EPSS
VEX
Title
Out-of-bounds Write in CODESYS PROFINET Controller
Summary
An out‑of‑bounds write vulnerability in the CODESYS PROFINET Controller allows an unauthenticated attacker on the same network segment to send malformed PROFINET communication data that triggers an exception in the affected PLC application. The exception is handled by the CODESYS Control runtime system and results in a controlled stop of the PLC application.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-29 14:27 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS PROFINET |
Affected:
4.4.0.0 , < 4.8.0.0
(semver)
cpe:2.3:a:codesys:codesys_profinet:*:*:*:*:*:*:*:* |
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CVE-2026-8047 (GCVE-0-2026-8047)
Vulnerability from nvd – Published: 2026-05-26 06:49 – Updated: 2026-05-26 10:48
VLAI
EPSS
VEX
Title
Out-of-bounds Write in CODESYS Control
Summary
The affected products perform improper length checking when parsing incoming HTTP requests, resulting in a size-limited out-of-bounds write. An unauthenticated remote attacker can exploit this flaw to cause a denial of service via a system crash on the affected device.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-26 10:45 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
1 reference
Impacted products
16 products
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS Control RTE (SL) |
Affected:
3.5.21.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS Control RTE (for Beckhoff CX) SL |
Affected:
3.5.21.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS Control Win (SL) |
Affected:
3.5.21.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS HMI (SL) |
Affected:
3.5.21.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS Runtime Toolkit |
Affected:
3.5.21.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS Control for BeagleBone SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for emPC-A/iMX6 SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for IOT2000 SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Linux ARM SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Linux SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PFC100 SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PFC200 SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PLCnext SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Raspberry Pi SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for WAGO Touch Panels 600 SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Virtual Control SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
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CVE-2026-8046 (GCVE-0-2026-8046)
Vulnerability from nvd – Published: 2026-05-26 06:45 – Updated: 2026-05-26 10:48
VLAI
EPSS
VEX
Title
Incorrect Authorization in CODESYS Control
Summary
The affected products insufficiently verify authorization when deleting user accounts. An authenticated, low-privileged remote user can exploit this vulnerability to delete other users, including those with higher privileges.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-26 10:44 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
1 reference
Impacted products
16 products
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS Control RTE (SL) |
Affected:
3.0.0.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS Control RTE (for Beckhoff CX) SL |
Affected:
3.0.0.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS Control Win (SL) |
Affected:
3.0.0.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS HMI (SL) |
Affected:
3.0.0.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS Runtime Toolkit |
Affected:
3.0.0.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS Control for BeagleBone SL |
Affected:
3.0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for emPC-A/iMX6 SL |
Affected:
3.0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for IOT2000 SL |
Affected:
3.0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Linux ARM SL |
Affected:
3.0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Linux SL |
Affected:
3.0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PFC100 SL |
Affected:
3.0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PFC200 SL |
Affected:
3.0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PLCnext SL |
Affected:
3.0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Raspberry Pi SL |
Affected:
3.0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for WAGO Touch Panels 600 SL |
Affected:
3.0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Virtual Control SL |
Affected:
3.0.0.0 , < 4.21.0.0
(semver)
|
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CVE-2026-44469 (GCVE-0-2026-44469)
Vulnerability from nvd – Published: 2026-05-26 06:39 – Updated: 2026-05-26 10:48
VLAI
EPSS
VEX
Title
Incorrect Default Permissions in CODESYS Development System
Summary
The affected product extracts installation files to a temporary directory with incorrect default permissions during administrative installation. A low-privileged local attacker can exploit a TOCTOU race condition with a practical time window to replace verified files with malicious ones before installation, resulting in local privilege escalation.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-26 10:44 UTC
CWE
- CWE-276 - Incorrect Default Permissions
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS Development System |
Affected:
3.0.0.0 , < 3.5.22.20
(semver)
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CVE-2026-44468 (GCVE-0-2026-44468)
Vulnerability from nvd – Published: 2026-05-26 06:37 – Updated: 2026-05-26 10:49
VLAI
EPSS
VEX
Title
Incorrect Default Permissions in CODESYS Development System
Summary
The affected product creates a directory with insecure default permissions during administrative installation. This allows a low-privileged local attacker to modify a temporary file defining the components to be installed, enabling local privilege escalation by forcing the deployment of arbitrary components.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-26 10:44 UTC
CWE
- CWE-276 - Incorrect Default Permissions
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
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3.0.0.0 , < 3.5.22.20
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CVE-2026-0393 (GCVE-0-2026-0393)
Vulnerability from nvd – Published: 2026-05-21 10:44 – Updated: 2026-05-21 13:22
VLAI
EPSS
VEX
Title
CODESYS Visualization - Insufficiently Protected Credentials
Summary
The affected product may expose credentials remotely between low privileged visualization users during concurrent login operations due to insufficient isolation of authentication data. The vulnerability affects only login operations within an active visualization session.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-21 13:21 UTC
CWE
- CWE-522 - Insufficiently Protected Credentials
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://codesys.csaf-tp.certvde.com/.well-known/c… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | Visualization |
Affected:
1.0.0.0 , < 4.10.0.0
(semver)
cpe:2.3:a:codesys:visualization:*:*:*:*:*:*:*:* |
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CVE-2026-35227 (GCVE-0-2026-35227)
Vulnerability from nvd – Published: 2026-05-12 07:14 – Updated: 2026-05-13 14:38
VLAI
EPSS
VEX
Title
Improper resource management in CODESYS Modbus TCP Server
Summary
An unauthenticated remote attacker may exhaust all available TCP connections in the CODESYS Modbus TCP Server stack if a race condition in connection handling is successfully exploited, preventing legitimate clients from establishing new connections.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-13 14:29 UTC
CWE
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS Modbus |
Affected:
1.0.0.0 , < 4.6.0.0
(semver)
cpe:2.3:a:codesys:codesys_modbus:*:*:*:*:*:*:*:* |
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CVE-2026-35225 (GCVE-0-2026-35225)
Vulnerability from nvd – Published: 2026-04-23 13:54 – Updated: 2026-04-23 15:35
VLAI
EPSS
VEX
Title
Improper timeout handling in CODESYS EtherNetIP
Summary
An unauthenticated remote attacker is able to exhaust all available TCP connections in the CODESYS EtherNet/IP adapter stack, preventing legitimate clients from establishing new connections.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-23 15:35 UTC
CWE
- CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://codesys.csaf-tp.certvde.com/.well-known/c… | vendor-advisory |
| https://www.certvde.com/en/advisories/VDE-2026-040/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS EtherNetIP |
Affected:
1.0.0.0 , < 4.9.0.0
(custom)
cpe:2.3:a:codesys:codesys_ethernetip:*:*:*:*:*:*:*:* |
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CVE-2026-3509 (GCVE-0-2026-3509)
Vulnerability from nvd – Published: 2026-03-24 07:42 – Updated: 2026-03-26 12:35
VLAI
EPSS
VEX
Title
CODESYS Control Audit Log Format String DoS
Summary
An unauthenticated remote attacker may be able to control the format string of messages processed by the Audit Log of the CODESYS Control runtime system, potentially resulting in a denial‑of‑service (DoS) condition.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-26 12:35 UTC
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
1 reference
Impacted products
15 products
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS Control RTE (SL) |
Affected:
3.5.17.0 , < 3.5.22.0
(semver)
|
|
| CODESYS | CODESYS Control RTE (for Beckhoff CX) SL |
Affected:
3.5.17.0 , < 3.5.22.0
(semver)
|
|
| CODESYS | CODESYS Control Win (SL) |
Affected:
3.5.17.0 , < 3.5.22.0
(semver)
|
|
| CODESYS | CODESYS Runtime Toolkit |
Affected:
3.5.17.0 , < 3.5.22.0
(semver)
|
|
| CODESYS | CODESYS Control for BeagleBone SL |
Affected:
4.1.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for emPC-A/iMX6 SL |
Affected:
4.1.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for IOT2000 SL |
Affected:
4.1.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Linux ARM SL |
Affected:
4.1.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Linux SL |
Affected:
4.1.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PFC100 SL |
Affected:
4.1.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PFC200 SL |
Affected:
4.1.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PLCnext SL |
Affected:
4.1.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Raspberry Pi SL |
Affected:
4.1.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for WAGO Touch Panels 600 SL |
Affected:
4.1.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Virtual Control SL |
Affected:
4.1.0.0 , < 4.21.0.0
(semver)
|
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CVE-2025-41660 (GCVE-0-2025-41660)
Vulnerability from nvd – Published: 2026-03-24 07:41 – Updated: 2026-03-24 13:16
VLAI
EPSS
VEX
Title
CODESYS Control Boot Application Replacement Enables Code Execution
Summary
A low-privileged remote attacker may be able to replace the boot application of the CODESYS Control runtime system, enabling unauthorized code execution.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-24 13:15 UTC
CWE
- CWE-669 - Incorrect Resource Transfer Between Spheres
Assigner
References
1 reference
Impacted products
16 products
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS Control RTE (SL) |
Affected:
0.0.0 , < 3.5.22.0
(semver)
|
|
| CODESYS | CODESYS Control RTE (for Beckhoff CX) SL |
Affected:
0.0.0 , < 3.5.22.0
(semver)
|
|
| CODESYS | CODESYS Control Win (SL) |
Affected:
0.0.0 , < 3.5.22.0
(semver)
|
|
| CODESYS | CODESYS HMI (SL) |
Affected:
0.0.0 , < 3.5.22.0
(semver)
|
|
| CODESYS | CODESYS Runtime Toolkit |
Affected:
0.0.0 , < 3.5.22.0
(semver)
|
|
| CODESYS | CODESYS Control for BeagleBone SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for emPC-A/iMX6 SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for IOT2000 SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Linux ARM SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Linux SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PFC100 SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PFC200 SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PLCnext SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Raspberry Pi SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for WAGO Touch Panels 600 SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Virtual Control SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
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CVE-2026-2364 (GCVE-0-2026-2364)
Vulnerability from nvd – Published: 2026-03-10 07:22 – Updated: 2026-03-10 16:51
VLAI
EPSS
VEX
Title
CODESYS Installer TOCTOU Privilege Escalation
Summary
If a legitimate user confirms a self-update prompt or initiate an installation of a CODESYS Development System, a low privileged local attacker can gain elevated rights due to a TOCTOU vulnerability in the CODESYS installer.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-10 15:39 UTC
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS Installer |
Affected:
0.0.0 , < 2.6.1.0
(semver)
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CVE-2025-41739 (GCVE-0-2025-41739)
Vulnerability from nvd – Published: 2025-12-01 10:00 – Updated: 2026-01-07 17:09
VLAI
EPSS
VEX
Title
CODESYS Control - Linux/QNX SysSocket flaw
Summary
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.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-01 14:03 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
1 reference
Impacted products
16 products
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS PLCHandler |
Affected:
3.5.21.0 , < 3.5.21.40
(semver)
|
|
| CODESYS | CODESYS Remote Target Visu |
Affected:
3.5.21.0 , < 3.5.21.40
(semver)
|
|
| CODESYS | CODESYS Runtime Toolkit |
Affected:
3.5.21.0 , < 3.5.21.40
(semver)
|
|
| CODESYS | CODESYS Control for BeagleBone SL |
Affected:
4.15.0.0 , < 4.19.0.0
(semver)
|
|
| CODESYS | CODESYS Control for emPC-A/iMX6 SL |
Affected:
4.15.0.0 , < 4.19.0.0
(semver)
|
|
| CODESYS | CODESYS Control for IOT2000 SL |
Affected:
4.15.0.0 , < 4.19.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Linux ARM SL |
Affected:
4.15.0.0 , < 4.19.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Linux SL |
Affected:
4.15.0.0 , < 4.19.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PFC100 SL |
Affected:
4.15.0.0 , < 4.19.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PFC200 SL |
Affected:
4.15.0.0 , < 4.19.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PLCnext SL |
Affected:
4.15.0.0 , < 4.19.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Raspberry Pi SL |
Affected:
4.15.0.0 , < 4.19.0.0
(semver)
|
|
| CODESYS | CODESYS Control for WAGO Touch Panels 600 SL |
Affected:
4.15.0.0 , < 4.19.0.0
(semver)
|
|
| CODESYS | CODESYS Edge Gateway for Linux |
Affected:
4.15.0.0 , < 4.19.0.0
(semver)
|
|
| CODESYS | CODESYS TargetVisu for Linux SL |
Affected:
4.15.0.0 , < 4.19.0.0
(semver)
|
|
| CODESYS | CODESYS Virtual Control SL |
Affected:
4.15.0.0 , < 4.19.0.0
(semver)
|
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CVE-2025-41738 (GCVE-0-2025-41738)
Vulnerability from nvd – Published: 2025-12-01 10:02 – Updated: 2025-12-01 14:00
VLAI
EPSS
VEX
Title
CODESYS Control - Invalid type usage in visualization
Summary
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.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-01 13:59 UTC
CWE
- CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Assigner
References
1 reference
Impacted products
17 products
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS Control RTE (SL) |
Affected:
3.5.18.0 , < 3.5.21.40
(semver)
|
|
| CODESYS | CODESYS Control RTE (for Beckhoff CX) SL |
Affected:
3.5.18.0 , < 3.5.21.40
(semver)
|
|
| CODESYS | CODESYS Control Win (SL) |
Affected:
3.5.18.0 , < 3.5.21.40
(semver)
|
|
| CODESYS | CODESYS HMI (SL) |
Affected:
3.5.18.0 , < 3.5.21.40
(semver)
|
|
| CODESYS | CODESYS Remote Target Visu |
Affected:
3.5.18.0 , < 3.5.21.40
(semver)
|
|
| CODESYS | CODESYS Runtime Toolkit |
Affected:
3.5.18.0 , < 3.5.21.40
(semver)
|
|
| CODESYS | CODESYS Control for BeagleBone SL |
Affected:
4.5.0.0 , < 4.19.0.0
(semver)
|
|
| CODESYS | CODESYS Control for emPC-A/iMX6 SL |
Affected:
4.5.0.0 , < 4.19.0.0
(semver)
|
|
| CODESYS | CODESYS Control for IOT2000 SL |
Affected:
4.5.0.0 , < 4.19.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Linux ARM SL |
Affected:
4.5.0.0 , < 4.19.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Linux SL |
Affected:
4.5.0.0 , < 4.19.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PFC100 SL |
Affected:
4.5.0.0 , < 4.19.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PFC200 SL |
Affected:
4.5.0.0 , < 4.19.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PLCnext SL |
Affected:
4.5.0.0 , < 4.19.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Raspberry Pi SL |
Affected:
4.5.0.0 , < 4.19.0.0
(semver)
|
|
| CODESYS | CODESYS Control for WAGO Touch Panels 600 SL |
Affected:
4.5.0.0 , < 4.19.0.0
(semver)
|
|
| CODESYS | CODESYS Virtual Control SL |
Affected:
4.5.0.0 , < 4.19.0.0
(semver)
|
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CVE-2025-41700 (GCVE-0-2025-41700)
Vulnerability from nvd – Published: 2025-12-01 10:02 – Updated: 2025-12-01 13:59
VLAI
EPSS
VEX
Title
CODESYS Development System - Deserialization of Untrusted Data
Summary
An unauthenticated attacker can trick a local user into executing arbitrary code by opening a deliberately manipulated CODESYS project file with a CODESYS development system. This arbitrary code is executed in the user context.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-01 13:25 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS Development System |
Affected:
0.0.0 , < 3.5.21.40
(semver)
|
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CVE-2026-76992 (GCVE-0-2026-76992)
Vulnerability from cvelistv5 – Published: 2026-09-30 11:07 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Uncontrolled Memory Allocation in CODESYS Gateway Client
Summary
The CODESYS Gateway Client allocates memory based on a size field in a gateway response without enforcing an appropriate upper limit. An unauthenticated remote attacker controlling a malicious gateway can exploit this behavior to trigger excessive memory consumption, resulting in a denial-of-service condition thus leading to a total loss of availablity.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:48 UTC
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
1 reference
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | Development System 3 |
Affected:
3.0.0.0 , < 3.5.22.40
(generic)
|
|
| CODESYS | Gateway |
Affected:
3.0.0.0 , < 3.5.22.40
(generic)
|
|
| CODESYS | Edge Gateway for Windows |
Affected:
3.0.0.0 , < 3.5.22.40
(generic)
|
|
| CODESYS | HMI (SL) |
Affected:
3.0.0.0 , < 3.5.22.40
(generic)
|
|
| CODESYS | OPC DA Server SL |
Affected:
3.0.0.0 , < 3.5.22.40
(generic)
|
|
| CODESYS | PLCHandler |
Affected:
3.0.0.0 , < 3.5.22.40
(generic)
|
|
| CODESYS | Runtime Toolkit |
Affected:
3.0.0.0 , < 3.5.22.40
(generic)
|
|
| CODESYS | Edge Gateway for Linux |
Affected:
3.15.0.0 , < 4.23.0.0
(generic)
|
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CVE-2026-79625 (GCVE-0-2026-79625)
Vulnerability from cvelistv5 – Published: 2026-09-30 09:23 – Updated: 2026-09-30 13:49
VLAI
EPSS
VEX
Title
Improper Synchronization in Monitoring in CODESYS Control Runtime
Summary
Affected products do not properly synchronize access to their monitoring functionality. When multiple clients send concurrent requests, this may lead to incorrect reads or writes, or to corruption of internal memory structures. An authenticated remote attacker with monitoring access can exploit this issue to cause incorrect data processing or a denial-of-service condition.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 13:49 UTC
CWE
- CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Assigner
References
1 reference
Impacted products
18 products
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | Control RTE (SL) |
Affected:
3.0.0.0 , < 3.5.22.40
(semver)
|
|
| CODESYS | Control RTE (for Beckhoff CX) SL |
Affected:
3.0.0.0 , < 3.5.22.40
(semver)
|
|
| CODESYS | Control Win (SL) |
Affected:
3.0.0.0 , < 3.5.22.40
(semver)
|
|
| CODESYS | Runtime Toolkit |
Affected:
3.0.0.0 , < 3.5.22.40
(semver)
|
|
| CODESYS | Safety SIL2 |
Affected:
3.0.0.0 , < 3.5.22.40
(semver)
|
|
| CODESYS | HMI (SL) |
Affected:
3.0.0.0 , < 3.5.22.40
(semver)
|
|
| CODESYS | Development System 3 |
Affected:
3.0.0.0 , < 3.5.22.40
(semver)
|
|
| CODESYS | Control for BeagleBone SL |
Affected:
3.5.0.0 , < 4.23.0.0
(semver)
|
|
| CODESYS | Control for emPC-A/iMX6 SL |
Affected:
3.5.0.0 , < 4.23.0.0
(semver)
|
|
| CODESYS | Control for IOT2000 SL |
Affected:
3.5.0.0 , < 4.23.0.0
(semver)
|
|
| CODESYS | Control for Linux ARM SL |
Affected:
3.5.0.0 , < 4.23.0.0
(semver)
|
|
| CODESYS | Control for Linux SL |
Affected:
3.5.0.0 , < 4.23.0.0
(semver)
|
|
| CODESYS | Control for PFC100 SL |
Affected:
3.5.0.0 , < 4.23.0.0
(semver)
|
|
| CODESYS | Control for PFC200 SL |
Affected:
3.5.0.0 , < 4.23.0.0
(semver)
|
|
| CODESYS | Control for PLCnext SL |
Affected:
3.5.0.0 , < 4.23.0.0
(semver)
|
|
| CODESYS | Control for Raspberry Pi SL |
Affected:
3.5.0.0 , < 4.23.0.0
(semver)
|
|
| CODESYS | Control for WAGO Touch Panels 600 SL |
Affected:
3.5.0.0 , < 4.23.0.0
(semver)
|
|
| CODESYS | Virtual Control SL |
Affected:
3.5.0.0 , < 4.23.0.0
(semver)
|
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CVE-2026-35226 (GCVE-0-2026-35226)
Vulnerability from cvelistv5 – Published: 2026-07-29 07:05 – Updated: 2026-07-29 14:27
VLAI
EPSS
VEX
Title
Out-of-bounds Write in CODESYS PROFINET Controller
Summary
An out‑of‑bounds write vulnerability in the CODESYS PROFINET Controller allows an unauthenticated attacker on the same network segment to send malformed PROFINET communication data that triggers an exception in the affected PLC application. The exception is handled by the CODESYS Control runtime system and results in a controlled stop of the PLC application.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-29 14:27 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS PROFINET |
Affected:
4.4.0.0 , < 4.8.0.0
(semver)
cpe:2.3:a:codesys:codesys_profinet:*:*:*:*:*:*:*:* |
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CVE-2026-8047 (GCVE-0-2026-8047)
Vulnerability from cvelistv5 – Published: 2026-05-26 06:49 – Updated: 2026-05-26 10:48
VLAI
EPSS
VEX
Title
Out-of-bounds Write in CODESYS Control
Summary
The affected products perform improper length checking when parsing incoming HTTP requests, resulting in a size-limited out-of-bounds write. An unauthenticated remote attacker can exploit this flaw to cause a denial of service via a system crash on the affected device.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-26 10:45 UTC
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
1 reference
Impacted products
16 products
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS Control RTE (SL) |
Affected:
3.5.21.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS Control RTE (for Beckhoff CX) SL |
Affected:
3.5.21.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS Control Win (SL) |
Affected:
3.5.21.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS HMI (SL) |
Affected:
3.5.21.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS Runtime Toolkit |
Affected:
3.5.21.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS Control for BeagleBone SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for emPC-A/iMX6 SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for IOT2000 SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Linux ARM SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Linux SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PFC100 SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PFC200 SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PLCnext SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Raspberry Pi SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for WAGO Touch Panels 600 SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Virtual Control SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
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CVE-2026-8046 (GCVE-0-2026-8046)
Vulnerability from cvelistv5 – Published: 2026-05-26 06:45 – Updated: 2026-05-26 10:48
VLAI
EPSS
VEX
Title
Incorrect Authorization in CODESYS Control
Summary
The affected products insufficiently verify authorization when deleting user accounts. An authenticated, low-privileged remote user can exploit this vulnerability to delete other users, including those with higher privileges.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-26 10:44 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
1 reference
Impacted products
16 products
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS Control RTE (SL) |
Affected:
3.0.0.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS Control RTE (for Beckhoff CX) SL |
Affected:
3.0.0.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS Control Win (SL) |
Affected:
3.0.0.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS HMI (SL) |
Affected:
3.0.0.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS Runtime Toolkit |
Affected:
3.0.0.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS Control for BeagleBone SL |
Affected:
3.0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for emPC-A/iMX6 SL |
Affected:
3.0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for IOT2000 SL |
Affected:
3.0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Linux ARM SL |
Affected:
3.0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Linux SL |
Affected:
3.0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PFC100 SL |
Affected:
3.0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PFC200 SL |
Affected:
3.0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PLCnext SL |
Affected:
3.0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Raspberry Pi SL |
Affected:
3.0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for WAGO Touch Panels 600 SL |
Affected:
3.0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Virtual Control SL |
Affected:
3.0.0.0 , < 4.21.0.0
(semver)
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CVE-2026-44469 (GCVE-0-2026-44469)
Vulnerability from cvelistv5 – Published: 2026-05-26 06:39 – Updated: 2026-05-26 10:48
VLAI
EPSS
VEX
Title
Incorrect Default Permissions in CODESYS Development System
Summary
The affected product extracts installation files to a temporary directory with incorrect default permissions during administrative installation. A low-privileged local attacker can exploit a TOCTOU race condition with a practical time window to replace verified files with malicious ones before installation, resulting in local privilege escalation.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-26 10:44 UTC
CWE
- CWE-276 - Incorrect Default Permissions
Assigner
References
1 reference
Impacted products
1 product
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CVE-2026-44468 (GCVE-0-2026-44468)
Vulnerability from cvelistv5 – Published: 2026-05-26 06:37 – Updated: 2026-05-26 10:49
VLAI
EPSS
VEX
Title
Incorrect Default Permissions in CODESYS Development System
Summary
The affected product creates a directory with insecure default permissions during administrative installation. This allows a low-privileged local attacker to modify a temporary file defining the components to be installed, enabling local privilege escalation by forcing the deployment of arbitrary components.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-26 10:44 UTC
CWE
- CWE-276 - Incorrect Default Permissions
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS Development System |
Affected:
3.0.0.0 , < 3.5.22.20
(semver)
cpe:2.3:a:codesys:codesys_development_system:*:*:*:*:*:*:*:* |
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CVE-2026-0393 (GCVE-0-2026-0393)
Vulnerability from cvelistv5 – Published: 2026-05-21 10:44 – Updated: 2026-05-21 13:22
VLAI
EPSS
VEX
Title
CODESYS Visualization - Insufficiently Protected Credentials
Summary
The affected product may expose credentials remotely between low privileged visualization users during concurrent login operations due to insufficient isolation of authentication data. The vulnerability affects only login operations within an active visualization session.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-21 13:21 UTC
CWE
- CWE-522 - Insufficiently Protected Credentials
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://codesys.csaf-tp.certvde.com/.well-known/c… | vendor-advisory |
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1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | Visualization |
Affected:
1.0.0.0 , < 4.10.0.0
(semver)
cpe:2.3:a:codesys:visualization:*:*:*:*:*:*:*:* |
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CVE-2026-35227 (GCVE-0-2026-35227)
Vulnerability from cvelistv5 – Published: 2026-05-12 07:14 – Updated: 2026-05-13 14:38
VLAI
EPSS
VEX
Title
Improper resource management in CODESYS Modbus TCP Server
Summary
An unauthenticated remote attacker may exhaust all available TCP connections in the CODESYS Modbus TCP Server stack if a race condition in connection handling is successfully exploited, preventing legitimate clients from establishing new connections.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-13 14:29 UTC
CWE
- CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS Modbus |
Affected:
1.0.0.0 , < 4.6.0.0
(semver)
cpe:2.3:a:codesys:codesys_modbus:*:*:*:*:*:*:*:* |
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CVE-2026-35225 (GCVE-0-2026-35225)
Vulnerability from cvelistv5 – Published: 2026-04-23 13:54 – Updated: 2026-04-23 15:35
VLAI
EPSS
VEX
Title
Improper timeout handling in CODESYS EtherNetIP
Summary
An unauthenticated remote attacker is able to exhaust all available TCP connections in the CODESYS EtherNet/IP adapter stack, preventing legitimate clients from establishing new connections.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-23 15:35 UTC
CWE
- CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://codesys.csaf-tp.certvde.com/.well-known/c… | vendor-advisory |
| https://www.certvde.com/en/advisories/VDE-2026-040/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS EtherNetIP |
Affected:
1.0.0.0 , < 4.9.0.0
(custom)
cpe:2.3:a:codesys:codesys_ethernetip:*:*:*:*:*:*:*:* |
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CVE-2026-3509 (GCVE-0-2026-3509)
Vulnerability from cvelistv5 – Published: 2026-03-24 07:42 – Updated: 2026-03-26 12:35
VLAI
EPSS
VEX
Title
CODESYS Control Audit Log Format String DoS
Summary
An unauthenticated remote attacker may be able to control the format string of messages processed by the Audit Log of the CODESYS Control runtime system, potentially resulting in a denial‑of‑service (DoS) condition.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-26 12:35 UTC
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
1 reference
Impacted products
15 products
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS Control RTE (SL) |
Affected:
3.5.17.0 , < 3.5.22.0
(semver)
|
|
| CODESYS | CODESYS Control RTE (for Beckhoff CX) SL |
Affected:
3.5.17.0 , < 3.5.22.0
(semver)
|
|
| CODESYS | CODESYS Control Win (SL) |
Affected:
3.5.17.0 , < 3.5.22.0
(semver)
|
|
| CODESYS | CODESYS Runtime Toolkit |
Affected:
3.5.17.0 , < 3.5.22.0
(semver)
|
|
| CODESYS | CODESYS Control for BeagleBone SL |
Affected:
4.1.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for emPC-A/iMX6 SL |
Affected:
4.1.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for IOT2000 SL |
Affected:
4.1.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Linux ARM SL |
Affected:
4.1.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Linux SL |
Affected:
4.1.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PFC100 SL |
Affected:
4.1.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PFC200 SL |
Affected:
4.1.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PLCnext SL |
Affected:
4.1.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Raspberry Pi SL |
Affected:
4.1.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for WAGO Touch Panels 600 SL |
Affected:
4.1.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Virtual Control SL |
Affected:
4.1.0.0 , < 4.21.0.0
(semver)
|
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CVE-2025-41660 (GCVE-0-2025-41660)
Vulnerability from cvelistv5 – Published: 2026-03-24 07:41 – Updated: 2026-03-24 13:16
VLAI
EPSS
VEX
Title
CODESYS Control Boot Application Replacement Enables Code Execution
Summary
A low-privileged remote attacker may be able to replace the boot application of the CODESYS Control runtime system, enabling unauthorized code execution.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-24 13:15 UTC
CWE
- CWE-669 - Incorrect Resource Transfer Between Spheres
Assigner
References
1 reference
Impacted products
16 products
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS Control RTE (SL) |
Affected:
0.0.0 , < 3.5.22.0
(semver)
|
|
| CODESYS | CODESYS Control RTE (for Beckhoff CX) SL |
Affected:
0.0.0 , < 3.5.22.0
(semver)
|
|
| CODESYS | CODESYS Control Win (SL) |
Affected:
0.0.0 , < 3.5.22.0
(semver)
|
|
| CODESYS | CODESYS HMI (SL) |
Affected:
0.0.0 , < 3.5.22.0
(semver)
|
|
| CODESYS | CODESYS Runtime Toolkit |
Affected:
0.0.0 , < 3.5.22.0
(semver)
|
|
| CODESYS | CODESYS Control for BeagleBone SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for emPC-A/iMX6 SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for IOT2000 SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Linux ARM SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Linux SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PFC100 SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PFC200 SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PLCnext SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Raspberry Pi SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for WAGO Touch Panels 600 SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Virtual Control SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
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CVE-2026-2364 (GCVE-0-2026-2364)
Vulnerability from cvelistv5 – Published: 2026-03-10 07:22 – Updated: 2026-03-10 16:51
VLAI
EPSS
VEX
Title
CODESYS Installer TOCTOU Privilege Escalation
Summary
If a legitimate user confirms a self-update prompt or initiate an installation of a CODESYS Development System, a low privileged local attacker can gain elevated rights due to a TOCTOU vulnerability in the CODESYS installer.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-10 15:39 UTC
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS Installer |
Affected:
0.0.0 , < 2.6.1.0
(semver)
|
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VAR-201112-0097
Vulnerability from variot - Updated: 2026-04-10 23:46Stack-based buffer overflow in the CmpWebServer component in 3S CoDeSys 3.4 SP4 Patch 2 and earlier, as used on the ABB AC500 PLC and possibly other products, allows remote attackers to execute arbitrary code via a long URI to TCP port 8080. CoDeSys is a powerful PLC software programming tool that supports IEC61131-3 standard IL, ST, FBD, LD, CFC, SFC six PLC programming languages. The GatewayService has an integer overflow. The GatewayService uses the 32-bit value offset at the header 0x0c to specify the size of the received data. The program receives this value, increasing the number of 0x34 and allocating the amount of memory can cause an integer overflow. CmpWebServer is a component of the 3SRTESrv3 and CoDeSysControlService services for handling 8080 port connections. The function 0040f480 copies the input URI to a limited stack buffer, which can trigger a buffer overflow. 3S CoDeSys handles the Content-Length value in an HTTP POST request to trigger a null pointer reference. CoDeSys is prone to a stack-based buffer-overflow and an integer-overflow vulnerability. Failed attacks may cause a denial-of-service condition
Show details on source website{
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