CVE-2026-59837

mediumpriority · track · 0EPSS 0.007 · 51 %ileDEEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.67% (51st) EPSS
CVSS 6.6 · medium
Is it mine?
37 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-22

A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2 all versions, FortiPAM 1.8.0 through 1.8.2, FortiPAM 1.7 all versions, FortiPAM 1.6 all versions, FortiPAM 1.5 all versions, FortiPAM 1.4 all versions, FortiPAM 1.3 all versions, FortiPAM 1.2 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions, FortiProxy 7.4.0 through 7.4.13, FortiProxy 7.2 all versions may allow a privileged authenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands via crafted HTTP 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 V7.6.6 or later following the secure update recommendation procedure. Contact customer support to receive detailed information

02

cvss

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

6.6
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.6mediumAV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · ENISA EU
v3.16.6mediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · psirt@fortinet.comexploitability 0.7 · impact 5.9
v3.16.6mediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · Siemens ProductCERT DE
v3.16.1mediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
03

ssvc

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

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-121USCWE-121USCWE-121US
05

affected products (37)

Products and version ranges known to be affected.

showing 20 of 37
06

advisories (2)

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-2026-2328Fortinet FortiOS und FortiProxy: Mehrere SchwachstellenDeutsch2026-07-14csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in Fortinet FortiOS und Fortinet FortiProxy ausnutzen, um beliebigen Programmcode auszuführen einen Cross Site Scripting Angriff durchzuführen und Daten zu manipulieren.

07

also known as (5)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducert_bundsiemens_psirtNVDCVE.orgMITRE
published 2026-07-14modified 2026-08-11
09

references (4)

External citations — patches, advisories, analysis.

scry

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