CVE-2025-41691 — HIGH (7.5)

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Related Weaknesses (CWE)

CWE-476

References

https://certvde.com/de/advisories/VDE-2025-070

FAQ

What is CVE-2025-41691?

CVE-2025-41691 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ...

How severe is CVE-2025-41691?

CVE-2025-41691 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-41691?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.