FortiWeb Systems Compromised via Webshells After Public PoC Release
A widespread cyberattack campaign has successfully compromised dozens of Fortinet FortiWeb instances through webshell deployment, exploiting a critical vulnerability for which proof-of-concept code became publicly available just days ago. The attacks center around CVE-2025-25257. The Shadowserver Foundation, a prominent threat monitoring organization, has been tracking the exploitation campaign since it began on July 11. Their latest data reveals concerning statistics about the scope of compromised systems.