CVE-2026-3509

published 2026-03-24

CVE-2026-3509: 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…

Priority P3 44 high 7.5 CVSS 3.1

AV N AC L PR N UI N S U C N I N A H

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.

Affected

15 ranges

Vendor	Product	Version range	Fixed in
codesys	codesys_control_for_beaglebone_sl	>= 4.1.0.0 < 4.21.0.0	4.21.0.0
codesys	codesys_control_for_empc-a_imx6_sl	>= 4.1.0.0 < 4.21.0.0	4.21.0.0
codesys	codesys_control_for_iot2000_sl	>= 4.1.0.0 < 4.21.0.0	4.21.0.0
codesys	codesys_control_for_linux_arm_sl	>= 4.1.0.0 < 4.21.0.0	4.21.0.0
codesys	codesys_control_for_linux_sl	>= 4.1.0.0 < 4.21.0.0	4.21.0.0
codesys	codesys_control_for_pfc100_sl	>= 4.1.0.0 < 4.21.0.0	4.21.0.0
codesys	codesys_control_for_pfc200_sl	>= 4.1.0.0 < 4.21.0.0	4.21.0.0
codesys	codesys_control_for_plcnext_sl	>= 4.1.0.0 < 4.21.0.0	4.21.0.0
codesys	codesys_control_for_raspberry_pi_sl	>= 4.1.0.0 < 4.21.0.0	4.21.0.0
codesys	codesys_control_for_wago_touch_panels_600_sl	>= 4.1.0.0 < 4.21.0.0	4.21.0.0
codesys	codesys_control_rte	>= 3.5.17.0 < 3.5.22.0	3.5.22.0
codesys	codesys_control_rte_sl	>= 3.5.17.0 < 3.5.22.0	3.5.22.0
codesys	codesys_control_win	>= 3.5.17.0 < 3.5.22.0	3.5.22.0
codesys	codesys_runtime_toolkit	>= 3.5.17.0 < 3.5.22.0	3.5.22.0
codesys	codesys_virtual_control_sl	>= 4.1.0.0 < 4.21.0.0	4.21.0.0

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CWE-134