Thousands of Internet-connected servers sold by the world’s biggest manufacturers can be remotely backdoored by exploiting critical vulnerabilities—some more than a decade old—that lurk deep inside system motherboards, according to research presented Wednesday. Baseboard management controllers are miniature computers that are embedded into the motherboards of …

Hackers are exploiting a maximum-severity vulnerability that has the potential to give them complete control over thousands of servers, many of which handle mission-critical tasks inside data centers, the US Cybersecurity and Infrastructure Security Agency is warning. The vulnerability, carrying a severity rating of 10 out of a possible …