Cisco SD-WAN Vulnerabilities Exploited by Cyber Threat Actors

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) issued an emergency directive on February 25, 2026, warning that hackers are actively exploiting vulnerabilities in Cisco's SD-WAN technology. This threat particularly affects Federal Civilian Executive Branch (FCEB) agencies in the United States, which are advised to take immediate action to mitigate risks posed by these vulnerabilities.