CVE-2026-22627
Received Received - Intake
Buffer Overflow in Fortinet FortiSwitchAXFixed Enables Remote Code Execution

Publication date: 2026-03-10

Last updated on: 2026-04-09

Assigner: Fortinet, Inc.

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.
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Meta Information
Published
2026-03-10
Last Modified
2026-04-09
Generated
2026-06-16
AI Q&A
2026-03-10
EPSS Evaluated
2026-06-15
NVD
CVE-2026-22627
EUVD
EUVD-2026-10513
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
fortinet fortiswitchaxfixed From 1.0.0 (inc) to 1.0.2 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-120 The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
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Executive Summary

This vulnerability is a classic buffer overflow caused by copying data without checking the size of the input. It affects Fortinet FortiSwitchAXFixed versions 1.0.0 through 1.0.1. An unauthenticated attacker on the same adjacent network can exploit this by sending a specially crafted LLDP packet to the device, potentially allowing them to execute unauthorized code or commands.

Impact Analysis

Exploitation of this vulnerability can lead to unauthorized code execution or command execution on the affected device. This means an attacker could take control of the device, potentially disrupting network operations, stealing sensitive information, or using the device as a foothold for further attacks.

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