View CSAF Summary SIMATIC S7-PLCSIM Advanced contains a vulnerability that could allow an attacker to cause a denial of service condition. Siemens is preparing fix versions and recommends specific countermeasures for products where fixes are not, or not yet available. The following versions of Siemens SIMATIC S7-PLCSIM Advanced are affected: SIMATIC S7-PLCSIM Advanced vers:all/* (CVE-2026-54429) CVSS Vendor Equipment Vulnerabilities v3 7.4 Siemens Siemens SIMATIC S7-PLCSIM Advanced Allocation of Resources Without Limits or Throttling Background Critical Infrastructure Sectors: Critical Manufacturing Countries/Areas Deployed: Worldwide Company Headquarters Location: Germany Vulnerabilities Expand All + CVE-2026-54429 Affected devices do not properly handle high-volume multicast network traffic, which can exhaust available memory resources in the affected application. This could allow an unauthenticated attacker on the local network segment to cause a denial-of-service condition of the affected application. The affected application becomes inaccessible and requires a manual restart; no project data is lost. Successful exploitation requires a specific project configuration to be already active on the targeted instance. View CVE Details Affected Products Siemens SIMATIC S7-PLCSIM Advanced Vendor: Siemens Product Version: SIMATIC S7-PLCSIM Advanced Product Status: ...