CODESYS Control RTE Communication Request null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in CODESYS Control RTE, Control RTE SL, Control Win, HMI, Control for BeagleBone SL, Control for emPC-A, iMX6 SL, Control for IOT2000 SL, Control for Linux ARM SL, Control for Linux SL, Control for PFC100 SL, Control for PFC200 SL, Control for PLCnext SL, Control for Raspberry Pi SL, Control for WAGO Touch Panels 600 SL and Virtual Control SL and classified as problematic. Affected is an unknown function of the component Communication Request Handler. Executing a manipulation can lead to null pointer dereference. This vulnerability appears as CVE-2025-41691. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in CODESYS Control RTE, Control RTE SL, Control Win, HMI, Control for BeagleBone SL, Control for emPC-A, iMX6 SL, Control for IOT2000 SL, Control for Linux ARM SL, Control for Linux SL, Control for PFC100 SL, Control for PFC200 SL, Control for PLCnext SL, Control for Raspberry Pi SL, Control for WAGO Touch Panels 600 SL and Virtual Control SL and classified as critical. This vulnerability affects an unknown code of the component Communication Request Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:

An unauthenticated remote attacker may trigger a NULL pointer dereference in the affected CODESYS Control runtime systems by sending specially crafted communication requests, potentially leading to a denial-of-service (DoS) condition.

The advisory is available at certvde.com. This vulnerability was named CVE-2025-41691 since 04/16/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2025-23490) and CERT Bund (WID-SEC-2025-1705). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • CODESYS CODESYS

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (CERTVDE): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/16/2025 CVE reserved
08/04/2025 +110 days Advisory disclosed
08/04/2025 +0 days VulDB entry created
08/04/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: VDE-2025-070
Status: Confirmed

CVE: CVE-2025-41691 (🔒)
GCVE (CVE): GCVE-0-2025-41691
GCVE (VulDB): GCVE-100-318658
EUVD: 🔒
CERT Bund: WID-SEC-2025-1705 - CODESYS: Mehrere Schwachstellen

Entryinfo

Created: 08/04/2025 13:46
Updated: 08/04/2025 14:44
Changes: 08/04/2025 13:46 (64), 08/04/2025 13:55 (1), 08/04/2025 14:27 (1), 08/04/2025 14:44 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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