FortiOS

CVE-2024-46666: Allocation of resources without limits or throttling in FortiOS

An allocation of resources without limits or throttling [CWE-770] vulnerability in FortiOS versions 7.6.0, versions 7.4.4 through 7.4.0, 7.2 all versions, 7.0 all versions, 6.4 all versions may allow a remote unauthenticated attacker to prevent access to the GUI via specially crafted requests directed at specific endpoints.

Published

ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityMEDIUMCVSS 3.1 4.8
EPSS0.69%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
FortiOS 7.67.6.1 or later
FortiOS 7.4.0 to 7.4.47.4.5 or later
FortiOS 7.2.0 to 7.2.10Upgrade past 7.2.10; see the advisory
FortiOS 7.0.0 to 7.0.16Upgrade past 7.0.16; see the advisory
FortiOS 6.4.0 to 6.4.15Upgrade past 6.4.15; see the advisory

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

What it is

An allocation of resources without limits or throttling [CWE-770] vulnerability in FortiOS versions 7.6.0, versions 7.4.4 through 7.4.0, 7.2 all versions, 7.0 all versions, 6.4 all versions may allow a remote unauthenticated attacker to prevent access to the GUI via specially crafted requests directed at specific endpoints.

Sources

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

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