CVE-2026-59837

EUVD-2026-43703

14.07.2026, 16:17

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.

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	6.6 MEDIUM	NETWORK	HIGH	HIGH	CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 49.24%

Affected Products (NVD)

Vendor	Product	Version
fortinet	fortiproxy	7.2.0 ≤ 𝑥 < 7.4.14
fortinet	fortios	7.2.0 ≤ 𝑥 < 7.4.2
fortinet	fortipam	1.0.0 ≤ 𝑥 < 1.8.3

𝑥

= Vulnerable software versions

Early Detection

Affected products identified ahead of NVD analysis through intelligence sources.

Vendor	Product	Version	Source
Siemens	RUGGEDCOM APE1808	𝑥 < *	ADP

Common Weakness Enumeration

CWE-121 - Stack-based Buffer Overflow
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-148

https://cert-portal.siemens.com/productcert/html/ssa-864900.html