7.5High
CVE-2026-3509CODESYS Control Audit Log Format String DoS
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.
Weakness (CWE):
CWE-134
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
| Vendor | Product | Versions | |
|---|---|---|---|
| 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 | |
| CODESYS | CODESYS Control RTE (for Beckhoff CX) SL | 3.5.17.0 – < 3.5.22.0 | |
| CODESYS | CODESYS Control RTE (SL) | 3.5.17.0 – < 3.5.22.0 | |
| CODESYS | CODESYS Control Win (SL) | 3.5.17.0 – < 3.5.22.0 | |
| CODESYS | CODESYS Runtime Toolkit | 3.5.17.0 – < 3.5.22.0 | |
| CODESYS | CODESYS Virtual Control SL | 4.1.0.0 – < 4.21.0.0 |