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Fortinet FortiOS Arbitrary File Download

CISA lists this Fortinet FortiOS vulnerability as known exploited. The vendor's advisory has the fixed versions.

CISA catalog record

Fortinet FortiOS "execute restore src-vis" downloads code without integrity checking, allowing an attacker to arbitrarily download files.

Product
FortiOS
Added to KEV
10 Dec 2021
Federal remediation due
24 Dec 2021
Known ransomware use
Not reported

What changed

First observed 14 Oct 2026

No field changes in the recorded history.

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ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 14 Oct 11:21 UTC · 251 of 253 readable · 250 fully read · documentation 0/409 current