Immediate Patch Urged for Cisco Catalyst SD-WAN Zero-Day Vulnerability

Global cybersecurity agencies, including those from the US and allied nations, are urging Cisco Catalyst SD-WAN customers to immediately check for signs of exploitation of an unpatched zero-day vulnerability. The notice emphasizes proactive threat hunting but does not specify a CVE identifier, technical details of the flaw, or exact impact. No dates for disclosure or patch availability were provided in the alert. The focus is on Cisco’s SD-WAN software, though the scope of affected versions or devices remains unspecified. The agencies warn of potential active exploitation but do not detail observed attack vectors or threat actors. The advisory targets organizations using Cisco’s SD-WAN solutions globally.