Do Son A Insyde H2O UEFI flaw (CVE-2025-4275) allows Secure Boot bypass via NVRAM, enabling attackers to inject undetectable malware and rootkits. Update firmware now!
NVRAM
A stealthy campaign is persistently hacking ASUS routers via undocumented bypasses and CVE-2023-39780, building a backdoor network without malware.