Security researchers have discovered critical UEFI vulnerabilities affecting motherboards from ASRock, ASUS, GIGABYTE, and MSI that enable direct memory access (DMA) attacks during the early boot phase. These flaws, tracked as CVE-2025-11901, CVE-2025-14302, CVE-2025-14303, and CVE-2025-14304, pose significant risks to cloud computing environments, data centers, and gaming infrastructure.