CVE-2025-53847

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Summary

CVECVE-2025-53847
StatePUBLISHED
Assignerfortinet
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-14 16:16:30 UTC
Updated2026-04-20 18:04:56 UTC
DescriptionA missing authentication for critical function vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiOS 6.4 all versions, FortiOS 6.2.9 through 6.2.17 allows attacker to execute unauthorized code or commands via specially crafted packets.

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: 0.000140000 probability, percentile 0.025900000 (date 2026-04-21)

Problem Types: CWE-306 | CWE-306 Execute unauthorized code or commands

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary8.8HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1[email protected]Secondary6.5MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
3.1CNACVSS6.2MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:F/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
Operating System Fortinet Fortios All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Fortinet FortiOS affected 7.6.0 7.6.3 semver Not specified
CNA Fortinet FortiOS affected 7.4.0 7.4.8 semver Not specified
CNA Fortinet FortiOS affected 7.2.0 7.2.11 semver Not specified
CNA Fortinet FortiOS affected 7.0.0 7.0.17 semver Not specified
CNA Fortinet FortiOS affected 6.4.0 6.4.16 semver Not specified
CNA Fortinet FortiOS affected 6.2.9 6.2.17 semver Not specified

References

ReferenceSourceLinkTags
fortiguard.fortinet.com/psirt/FG-IR-26-125 [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 FortiOS version 7.6.4 or above Upgrade to FortiOS version 7.4.9 or above Upgrade to FortiOS version 7.2.12 or above Upgrade to FortiOS version 7.0.18 or above

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