CVE-2025-41691 HIGH

CVE-2025-41691: CODESYS Control DoS via Unauthenticated NULL Pointer Dereference

Vendor Codesys
Product Control RTE (SL)
Weakness CWE-476
Published August 4, 2025
Last update August 4, 2025
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 4, 2025 CVE published
August 4, 2025 Record updated