FortiManager and FortiAnalyzer

CVE-2025-54820: Stack-based Buffer Overflow in FortiManager

A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiManager 7.4.0 through 7.4.2, FortiManager 7.2.0 through 7.2.10, FortiManager 6.4 all versions may allow a remote unauthenticated attacker to execute unauthorized commands via crafted requests, if the service is enabled.

Published

ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityHIGHCVSS 3.1 7
EPSS0.89%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable

Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.

Affected and fixed versions

Product / branchFixed in
FortiManager 7.4.0 to 7.4.27.4.3 or later
FortiManager 7.2.0 to 7.2.107.2.11 or later
FortiManager 6.4.0 to 6.4.156.4.16 (upcoming) or later

Always confirm against the vendor advisory, which lists every fixed hotfix.

What it is

A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiManager 7.4.0 through 7.4.2, FortiManager 7.2.0 through 7.2.10, FortiManager 6.4 all versions may allow a remote unauthenticated attacker to execute unauthorized commands via crafted requests, if the service is enabled. The success of the attack depends on the ability to bypass the stack protection mechanisms.

Sources

KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.

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