CVE-2026-35226
An attacker from an adjacent network can exploit a vulnerability in CODESYS to conduct a Denial of Service attack.
CSIRTS triage
- What
- An attacker from an adjacent network can exploit a vulnerability to conduct a Denial of Service attack.
- Who is affected
- Users of CODESYS are affected.
- Urgency
- Remediation is medium urgency as exploitation is not confirmed.
- Action
- Update to the latest version of CODESYS to address the vulnerability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all EPSS-scored CVEs.
Advisory coverage (2)
- medium[NEW] [medium] CODESYS: Vulnerability allows Denial of Servicecert-bund · 2026-07-29
- mediumCVE-2026-35226: An out‑of‑bounds write vulnerability in the CODESYS PROFINET Controller allows an unauthentica…nvd · 2026-07-29
External references
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[](https://www.csirts.com/cve/CVE-2026-35226)