CVE-2025-59718
Description
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.
How to fix
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA due date: Dec 23, 2025- fortinet fortiproxy7.0.22, 7.2.15, 7.4.11, 7.6.4 or later
- fortinet fortiswitchmanager7.0.6, 7.2.7 or later
- fortinet fortios7.0.18, 7.2.12, 7.4.9, 7.6.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| fortinet fortiproxy | 7.0.0 ≤ v < 7.0.22, 7.2.0 ≤ v < 7.2.15, 7.4.0 ≤ v < 7.4.11, 7.6.0 ≤ v < 7.6.4 | 7.0.22, 7.2.15, 7.4.11, 7.6.4 |
| fortinet fortiswitchmanager | 7.0.0 ≤ v < 7.0.6, 7.2.0 ≤ v < 7.2.7 | 7.0.6, 7.2.7 |
| fortinet fortios | 7.0.0 ≤ v < 7.0.18, 7.2.0 ≤ v < 7.2.12, 7.4.0 ≤ v < 7.4.9, 7.6.0 ≤ v < 7.6.4 | 7.0.18, 7.2.12, 7.4.9, 7.6.4 |
| siemens ruggedcom_ape1808_firmware | No range specified | — |
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Attack Surface Management
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