vulnerability Siemens SIMATIC S7-PLCSIM Advanced A vulnerability in Siemens SIMATIC S7-PLCSIM Advanced could allow an unauthenticated attacker to cause a denial-of-service condition by overwhelming the application with high-volume multicast network traffic. Siemens is releasing fix versions and recommends disabling the S7-PLCSIM Virtual Switch binding to prevent expl… CISA Advisories · Jul 28, 2026 High CVE-2026-54429DEindustrial control systemscve-2026-54429denial of service