CVE-2025-62439

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Summary

CVECVE-2025-62439
StatePUBLISHED
Assignerfortinet
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-02-10 16:16:09 UTC
Updated2026-05-12 13:17:23 UTC
DescriptionAn Improper Verification of Source of a Communication Channel vulnerability [CWE-940] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions may allow an authenticated user with knowledge of FSSO policy configurations to gain unauthorized access to protected network resources via crafted requests.

Risk And Classification

Primary CVSS: v3.1 4.2 MEDIUM from [email protected]

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

EPSS: 0.000230000 probability, percentile 0.065030000 (date 2026-05-12)

Problem Types: CWE-940 | CWE-940 Improper access control

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.2MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N
3.1CNACVSS3.8LOWCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N/E:P/RL:X/RC:R

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Fortinet FortiOS affected 7.6.0 7.6.4 semver Not specified
CNA Fortinet FortiOS affected 7.4.0 7.4.9 semver Not specified
CNA Fortinet FortiOS affected 7.2.0 7.2.13 semver Not specified
CNA Fortinet FortiOS affected 7.0.0 7.0.19 semver Not specified
ADP Siemens RUGGEDCOM APE1808 affected * custom Not specified

References

ReferenceSourceLinkTags
fortiguard.fortinet.com/psirt/FG-IR-25-384 [email protected] fortiguard.fortinet.com
cert-portal.siemens.com/productcert/html/ssa-975644.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
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 upcoming FortiOS version 8.0.0 or above Upgrade to FortiOS version 7.6.5 or above Upgrade to FortiOS version 7.4.10 or above

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