CVE-2025-41691

HIGH

CODESYS Control RTE (SL) 3.5.21.10-3.5.21.19 - Unauthenticated Denial of Service via NULL Pointer Dereference

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0050
EPSS Percentile 38.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (15)
CODESYS/Control for BeagleBone SL 4.16.0.0 - 4.17.0.0
CODESYS/Control for emPC-A/iMX6 SL 4.16.0.0 - 4.17.0.0
CODESYS/Control for IOT2000 SL 4.16.0.0 - 4.17.0.0
CODESYS/Control for Linux ARM SL 4.16.0.0 - 4.17.0.0
CODESYS/Control for Linux SL 4.16.0.0 - 4.17.0.0
CODESYS/Control for PFC100 SL 4.16.0.0 - 4.17.0.0
CODESYS/Control for PFC200 SL 4.16.0.0 - 4.17.0.0
CODESYS/Control for PLCnext SL 4.16.0.0 - 4.17.0.0
CODESYS/Control for Raspberry Pi SL 4.16.0.0 - 4.17.0.0
CODESYS/Control for WAGO Touch Panels 600 SL 4.16.0.0 - 4.17.0.0
... and 5 more
Published Aug 04, 2025
Tracked Since Feb 18, 2026