CVE-2026-3509: high-severity vulnerability in CODESYS Control for BeagleBone SL
CODESYS Control Audit Log Format String DoS
Published · Updated
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.6%
exploitation probability
0.6%top 54% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
CODESYS · CODESYS Control for BeagleBone SLCODESYS · CODESYS Control for emPC-A/iMX6 SLCODESYS · CODESYS Control for IOT2000 SLCODESYS · CODESYS Control for Linux ARM SLCODESYS · CODESYS Control for Linux SLCODESYS · CODESYS Control for PFC100 SLCODESYS · CODESYS Control for PFC200 SLCODESYS · CODESYS Control for PLCnext SLCODESYS · CODESYS Control for Raspberry Pi SLCODESYS · CODESYS Control for WAGO Touch Panels 600 SLCODESYS · CODESYS Control RTE (for Beckhoff CX) SLCODESYS · CODESYS Control RTE (SL)CODESYS · CODESYS Control Win (SL)CODESYS · CODESYS Runtime ToolkitCODESYS · CODESYS Virtual Control SLRelated CVEs — CODESYS Control for BeagleBone SL
In the same product, most dangerous first.
CVE-2022-47379HIGHCODESYS: Multiple products prone to out-of-bounds writeEPSS 2.0%CVE-2022-47391HIGHCODESYS: Multiple products prone to Improper Input ValidationEPSS 1.9%CVE-2022-22519HIGHSpecial HTTP(s) Requests can cause a buffer-read causing a crash of the webserver and the runtime system.EPSS 1.5%CVE-2022-47386HIGHCODESYS: Multiple products prone to stack based out-of-bounds writeEPSS 1.4%CVE-2022-47385HIGHCODESYS: Multiple products prone to stack based out-of-bounds writeEPSS 1.4%CVE-2022-47388HIGHCODESYS: Multiple products prone to stack based out-of-bounds writeEPSS 1.3%