CVE-2025-58903
mediumpriority · track · 20EPSS 0.006 · 49 %ileDEEURUUSEPSS · scored 2026-10-22
An Unchecked Return Value vulnerability [CWE-252] in Fortinet FortiOS version 7.6.0 through 7.6.3 and before 7.4.8 API allows an authenticated user to cause a Null Pointer Dereference, crashing the http daemon via a specialy crafted request.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedRUGGEDCOM APE1808siemens_psirt
Update Fortigate NGFW to V7.4.9 or later following the secure update recommendation procedure. Contact customer support to receive detailed information
- FixedRUGGEDCOM APE1808cisa_csaf_ot
Update Fortigate NGFW to V7.4.9 or later following the secure update recommendation procedure. Contact customer support to receive detailed information
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.5–4.9
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (33)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- SSA-864900SSA-864900: Multiple Vulnerabilities in Fortigate NGFW before V7.6.6 on RUGGEDCOM APE1808 Devices2025-05-13csaf · 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-2025-2283Fortinet FortiOS: Mehrere SchwachstellenDeutsch2025-10-14csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Fortinet FortiOS ausnutzen, um einen Denial of Service Angriff durchzuführen, Sicherheitsmaßnahmen zu umgehen oder Code auszuführen.
- ICSA-25-135-01Siemens RUGGEDCOM APE1808 Devices2025-05-13icsa · cisa_csaf_otUS
Fortinet has published information on vulnerabilities in FortiOS. This advisory lists the related Siemens Industrial products. Siemens is preparing fix versions and recommends to consult and implement the workarounds provided in Fortinet's upstream security notifications.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2025-58903cnnvd
- https://fortiguard.fortinet.com/psirt/FG-IR-25-653cnnvd
- https://vigilance.fr/vulnerability/FortiOS-NULL-pointer-dereference-via-Unchecked-Return-Value-48458cnnvd
- https://fortiguard.fortinet.com/psirt/FG-IR-25-653enisa_euvd
- https://cert-portal.siemens.com/productcert/html/ssa-864900.htmlnvd
- https://fortiguard.fortinet.com/psirt/FG-IR-25-653Vendor Advisorynvd
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