Vulnerability in Codesys Control For Beaglebone Sl
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, potentially resulting in a denial‑of‑service (DoS) condition.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (47.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.006 · change: +0.002
Affected products
- Codesys Control For Beaglebone Sl — versions 4.1.0.0
- Codesys Control For Empc-A/imx6 Sl — versions 4.1.0.0
- Codesys Control For Iot2000 Sl — versions 4.1.0.0
- Codesys Control For Linux Arm Sl — versions 4.1.0.0
- Codesys Control For Linux Sl — versions 4.1.0.0
- Codesys Control For Pfc100 Sl — versions 4.1.0.0
- Codesys Control For Pfc200 Sl — versions 4.1.0.0
- Codesys Control For Plcnext Sl — versions 4.1.0.0
- Codesys Control For Raspberry Pi Sl — versions 4.1.0.0
- Codesys Control For Wago Touch Panels 600 Sl — versions 4.1.0.0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-3509?
- CVE-2026-3509 is a high-severity vulnerability in Codesys Control For Beaglebone Sl, classified under Use of Externally-Controlled Format String. CVSS score: 7.5/10. Published 2026-03-24.
- How severe is CVE-2026-3509?
- High severity. CVSS v3 base score is 7.5 out of 10.