CVE-2026-22627

High

Description

A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiSwitchAXFixed 1.0.0 through 1.0.1 may allow an unauthenticated attacker within the same adjacent network to execute unauthorized code or commands on the device via sending a crafted LLDP packet.

SeverityHigh
CVSS8.8
Exploit probability—
ProductFortinet Fortiswitchaxfixed
PublishedMar 10, 2026
First seenMar 10, 2026
Weakness typeCWE-120CWE-120

How to fix

Update
  • fortinet fortiswitchaxfixed1.0.2 or later

Affected products

ProductAffected versionsFixed in
fortinet fortiswitchaxfixed1.0.0 ≤ v < 1.0.21.0.2

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.