CVE-2025-57740
highpriority · track · 35EPSS 0.007 · 52 %ileDEEUNLRUUSEPSS · scored 2026-10-26
An Heap-based Buffer Overflow vulnerability [CWE-122] in FortiOS version 7.6.2 and below, version 7.4.7 and below, version 7.2.10 and below, 7.0 all versions, 6.4 all versions; FortiPAM version 1.5.0, version 1.4.2 and below, 1.3 all versions, 1.2 all versions, 1.1 all versions, 1.0 all versions and FortiProxy version 7.6.2 and below, version 7.4.3 and below, 7.2 all versions, 7.0 all versions RDP bookmark connection may allow an authenticated user to execute unauthorized code via crafted requests.
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 · medium–high · 6.7–8.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (67)
Products and version ranges known to be affected.
advisories (4)
Vendor and ecosystem advisories describing this.
- NCSC-2025-0324Kwetsbaarheid verholpen in FortiOSNL2025-10-17csaf · ncsc_nlNL
Fortinet heeft een kwetsbaarheid verholpen in FortiOS (meerdere versies).
- 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-2025-2286Fortinet FortiOS und FortiProxy: Mehrere SchwachstellenDeutsch2025-10-14csaf · cert_bundDE
Ein entfernter, authentisierter oder anonymer Angreifer kann mehrere Schwachstellen in Fortinet FortiOS und Fortinet FortiProxy ausnutzen, um beliebigen Programmcode auszuführen oder einen Denial of Service zu verursachen.
- 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-2025-57740cnnvd
- https://fortiguard.fortinet.com/psirt/FG-IR-25-756cnnvd
- https://vigilance.fr/vulnerability/FortiOS-buffer-overflow-via-SSL-VPN-Bookmarks-48462cnnvd
- https://fortiguard.fortinet.com/psirt/FG-IR-25-756enisa_euvd
- https://cert-portal.siemens.com/productcert/html/ssa-864900.htmlnvd
- https://fortiguard.fortinet.com/psirt/FG-IR-25-756Vendor Advisorynvd
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