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denial-of-service

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siemens6 min read

Two CVEs in Siemens SICAM 8 firmware expose three product families to unauthenticated denial of service

CVE-2026-27663 and CVE-2026-27664 affect shared firmware components across Siemens SICAM A8000, EGS and S8000 product lines, enabling unauthenticated denial of service in power grid infrastructure.