CVE-2025-59718

No fix known ExploitedEPSS 68%CVSS 9.1

A improper verification of cryptographic signature vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiProxy 7.6.0 through 7.6.3, FortiProxy 7.4.0 through 7.4.10, FortiProxy 7.2.0 through 7.2.14, FortiProxy 7.0.0 through 7.0.21, FortiSwitchManager 7.2.0 through 7.2.6, FortiSwitchManager 7.0.0 through 7.0.5 allows an unauthenticated attacker to bypass the FortiCloud SSO login authentication via a crafted SAML response message.

Published 2025-12-09 · In CISA KEV since 2025-12-16 · CVE record · OSV

Products: Fortinet FortiSwitchManager, Fortinet FortiOS, Fortinet FortiProxy, Siemens RUGGEDCOM APE1808