CVE-2026-22627

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Summary

CVECVE-2026-22627
StatePUBLISHED
Assignerfortinet
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-10 18:18:12 UTC
Updated2026-04-09 20:54:45 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from [email protected]

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.000320000 probability, percentile 0.090240000 (date 2026-04-15)

Problem Types: CWE-120 | CWE-120 Execute unauthorized code or commands

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.8HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS7.7HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

CVSS v3.1 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Fortinet Fortiswitchaxfixed All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Fortinet FortiSwitchAXFixed affected 1.0.0 1.0.1 semver Not specified

References

ReferenceSourceLinkTags
fortiguard.fortinet.com/psirt/FG-IR-26-086 [email protected] fortiguard.fortinet.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: Upgrade to FortiSwitchAX-Chassis version 1.0.0 or above Upgrade to FortiSwitchAXFixed version 1.0.2 or above

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