Gunra Ransomware Exploits Fortinet and Schneider Electric Flaws to Breach Networks

Gunra Ransomware Exploits Fortinet and Schneider Electric Flaws to Breach Networks Ravie LakshmananAug 11, 2026Ransomware / Threat Intelligence Cybersecurity and intelligence agencies from South Korea and the U.S. warned of Gunra ransomware attacks targeting critical infrastructure sectors and organizations across the world. Targets of these attacks include healthcare and public health, financial services, government services and facilities, and professional and nonprofit services. "Gunra is another variant in the ongoing trend of ransomware attacks causing disruption and harm to U.S. and international organizations," CISA Acting Executive Assistant Director for Cybersecurity, Chris Butera, said. Attacks deploying the ransomware have leveraged security flaws in internet-facing Schneider Electric PowerLogic P5 (CVE-2024-5559) and Fortinet FortiOS and FortiProxy (CVE-2025-24472) appliances to obtain initial access, and then…