CVE-2026-59837A 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, Fort…
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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.
- CVSS
- 5.9 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
- Weakness (CWE)
- CWE-121
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- fortinet
- NVD analysis
- Modified
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Fortinet FortiPAM fortinet:fortipam | from 1.8.0 through 1.8.2; from 1.7.0 through 1.7.2; from 1.6.0 through 1.6.2; from 1.5.0 through 1.5.1; from 1.4.0 through 1.4.3; from 1.3.0 through 1.3.1; 1.2.0; from 1.1.0 through 1.1.2; and 1 more ranges | CNA record |
Fortinet FortiSASE fortinet:fortisase | from 26.1.1 through 26.1.2 | CNA record |
Fortinet FortiProxy fortinet:fortiproxy | from 7.4.0 through 7.4.13; from 7.2.0 through 7.2.16 | CNA record |
Fortinet FortiOS fortinet:fortios | from 7.4.0 through 7.4.1; from 7.2.0 through 7.2.13; from 7.0.0 through 7.0.19; from 6.4.0 through 6.4.16 | CNA record |
Siemens RUGGEDCOM APE1808 siemens:ruggedcom_ape1808 (from the name) | all versions | CISA ADP |
fortinet fortiproxy fortinet:fortiproxy | from 7.2.0 before 7.4.14 | NVD |
fortinet fortios fortinet:fortios | from 7.2.0 before 7.4.2 | NVD |
fortinet fortipam fortinet:fortipam | from 1.0.0 before 1.8.3 | NVD |
References
- https://fortiguard.fortinet.com/psirt/FG-IR-26-148vendor-advisory
- https://cert-portal.siemens.com/productcert/html/ssa-864900.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.