A critical vulnerability in Cisco SD-WAN systems has prompted the Cybersecurity and Infrastructure Security Agency (CISA) to issue a directive to all federal agencies, ordering them to apply a recently released patch by Sunday. The bug, which was patched by Cisco on Thursday, could be exploited by an unauthenticated attacker to bypass authentication and gain administrative privileges on affected systems. This vulnerability poses a significant risk to the security of federal agencies' networks, as it could allow malicious actors to gain control of sensitive systems. CISA's directive underscores the urgency of the situation, highlighting the need for swift action to mitigate the threat. The agency's order applies to all federal agencies, emphasizing the importance of prompt patching to prevent potential attacks1. This matter is of utmost importance to cybersecurity practitioners, as failure to apply the patch in a timely manner could leave federal agencies' systems vulnerable to exploitation, compromising national security.