FortiManager and FortiAnalyzer
CVE-2025-53845: Improper authentication in FortiAnalyzer
An improper authentication vulnerability [CWE-287] in Fortinet FortiAnalyzer version 7.6.0 through 7.6.3 and before 7.4.6 allows an unauthenticated attacker to obtain information pertaining to the device's health and status, or cause a denial of service via crafted OFTP requests.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| FortiAnalyzer 7.6.0 to 7.6.3 | 7.6.4 or later |
| FortiAnalyzer 7.4.0 to 7.4.6 | 7.4.7 or later |
| FortiAnalyzer 7.2.0 to 7.2.11 | Upgrade past 7.2.11; see the advisory |
| FortiAnalyzer 7.0.0 to 7.0.15 | Upgrade past 7.0.15; see the advisory |
| FortiAnalyzer 6.4.0 to 6.4.15 | Upgrade past 6.4.15; see the advisory |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
An improper authentication vulnerability [CWE-287] in Fortinet FortiAnalyzer version 7.6.0 through 7.6.3 and before 7.4.6 allows an unauthenticated attacker to obtain information pertaining to the device's health and status, or cause a denial of service via crafted OFTP requests.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.