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FortiWeb-400C

Fortinet Appliance · FortiWeb Series

High confidence Official Fortinet notice ↗ Verified
FortiWeb-400C is dead. Fortinet support ended (-1838d). Last available for order .

Is the FortiWeb-400C still supported?

No. Fortinet ended support for the FortiWeb-400C on 2021-07-16. No further security fixes will be issued. See Fortinet's lifecycle bulletin.

When does the FortiWeb-400C reach end of support?

Fortinet support for the FortiWeb-400C ends on 2021-07-16.

What replaces the FortiWeb-400C?

Fortinet has not published a successor model for the FortiWeb-400C.

What known-exploited CVEs apply to the FortiWeb-400C past end of support?

5 CVEs in CISA's Known Exploited Vulnerabilities catalog apply to the platform the FortiWeb-400C runs. These will not be patched on this device because it is past the Fortinet security-support date. See the Known Exploited Vulnerabilities table below for the full list.

Known Exploited Vulnerabilities

This device is past Fortinet's security-support date. 5 CVEs in CISA's Known Exploited Vulnerabilities catalog apply to the platform it runs. Fortinet is not issuing patches for this model. Isolate, compensate, or refresh.

CVE KEV added Vulnerability Flags
CVE-2025-59718 Fortinet Multiple Products Improper Verification of Cryptographic Signature Vulnerability
CVE-2025-58034 Fortinet FortiWeb OS Command Injection Vulnerability
CVE-2025-64446 Fortinet FortiWeb Path Traversal Vulnerability
CVE-2025-25257 Fortinet FortiWeb SQL Injection Vulnerability
CVE-2024-23113 Fortinet Multiple Products Format String Vulnerability

Source: CISA Known Exploited Vulnerabilities catalog. The Ransomware flag reflects CISA's own knownRansomwareCampaignUse field, set when the CVE has been observed in ransomware campaigns per their threat intel. It's not a property of the vulnerability description itself.

Correlation is at the platform level, not per-OS-version. Not exhaustive: KEV only lists actively-exploited CVEs and many relevant unexploited vulnerabilities are not here. Verify against vendor security advisories (PSIRT, JSA, PAN-SA) and NVD before acting. See compensating controls if refresh isn't immediate.

FortiWeb-400C Lifecycle Overview

The Fortinet FortiWeb-400C is a appliance product in the Fortinet FortiWeb series. This product has reached end of life as of , meaning Fortinet no longer provides technical support, software updates, or hardware replacement for this product. It was last available for purchase on . Organizations still running the FortiWeb-400C should plan a migration .

Lifecycle Milestones

End of sale 10y ago
End of software maintenance 6y ago
Last date of support 5y ago
Applicable Platforms
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