CVE-2025-62439

mediumEPSS 0.002 · 5 %ileDEEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.16% (5th) EPSS
CVSS 4.2 · medium
Is it mine?
25 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-20

An 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.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedRUGGEDCOM APE1808siemens_psirt

    Update Fortigate NGFW to V7.4.10 or later version with FSSO TS Agent version 5.0 build 0324 or later version. Contact customer support to receive patch and update information

  • FixedRUGGEDCOM APE1808cisa_csaf_ot

    Update Fortigate NGFW to V7.4.10 or later version with FSSO TS Agent version 5.0 build 0324 or later version. Contact customer support to receive patch and update information

02

cvss

Technical severity, 0–10. One row per scoring source.

4.2
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.8–4.2

v3.14.2mediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:Nsecondary · CISA US
v3.14.2mediumAV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU
v3.13.8lowCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N/E:P/RL:X/RC:Rsecondary · ENISA EU
v3.14.2mediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:Nsecondary · psirt@fortinet.comexploitability 1.1 · impact 2.7
v3.14.2mediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:Nsecondary · Siemens ProductCERT DE
v3.13.9lowCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-940USCWE-940USCWE-940USCWE-940US
05

affected products (25)

Products and version ranges known to be affected.

showing 20 of 25
06

advisories (3)

Vendor and ecosystem advisories describing this.

  • SSA-975644SSA-975644: Multiple Vulnerabilities in Fortigate NGFW on RUGGEDCOM APE1808 Devices2026-03-10csaf · siemens_psirtDE

    Fortinet has published information on vulnerabilities in FORTIOS. This advisory lists the related Siemens Industrial products. Siemens has released a new version for RUGGEDCOM APE1808 and recommends to update to the latest version.

  • WID-SEC-W-2026-0387Fortinet FortiOS: Mehrere SchwachstellenDeutsch2026-02-10csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in Fortinet FortiOS ausnutzen, um Sicherheitsvorkehrungen zu umgehen, Informationen offenzulegen oder Code auszuführen.

  • ICSA-26-071-02Siemens RUGGEDCOM APE1808 Devices2026-03-10icsa · cisa_csaf_otUS

    Fortinet has published information on vulnerabilities in FORTIOS. This advisory lists the related Siemens Industrial products. Siemens has released a new version for RUGGEDCOM APE1808 and recommends to update to the latest version.

07

also known as (5)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducert_bundcisa_csaf_otsiemens_psirtNVDCVE.orgMITRE
published 2026-02-10modified 2026-06-17
09

references (5)

External citations — patches, advisories, analysis.

scry

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