CVE-2026-3509

HIGH

CODESYS Control Audit Log Format String DoS

Title source: cna
STIX 2.1

Description

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.

Scores

CVSS v3 7.5
EPSS 0.0012
EPSS Percentile 30.0%
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-134
Status published
Products (15)
CODESYS/CODESYS Control for BeagleBone SL 4.1.0.0 - 4.21.0.0
CODESYS/CODESYS Control for emPC-A/iMX6 SL 4.1.0.0 - 4.21.0.0
CODESYS/CODESYS Control for IOT2000 SL 4.1.0.0 - 4.21.0.0
CODESYS/CODESYS Control for Linux ARM SL 4.1.0.0 - 4.21.0.0
CODESYS/CODESYS Control for Linux SL 4.1.0.0 - 4.21.0.0
CODESYS/CODESYS Control for PFC100 SL 4.1.0.0 - 4.21.0.0
CODESYS/CODESYS Control for PFC200 SL 4.1.0.0 - 4.21.0.0
CODESYS/CODESYS Control for PLCnext SL 4.1.0.0 - 4.21.0.0
CODESYS/CODESYS Control for Raspberry Pi SL 4.1.0.0 - 4.21.0.0
CODESYS/CODESYS Control for WAGO Touch Panels 600 SL 4.1.0.0 - 4.21.0.0
... and 5 more
Published Mar 24, 2026
Tracked Since Mar 24, 2026