CVE-2025-53843

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CVSS 3.1

7.5 high

EPSS

<1%p46

Published

Nov 18, 2025 (Nov 18, 2025)

Modified

Jun 17, 2026

Description

A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions allows attacker to execute unauthorized code or commands via specially crafted packets

Vendors: fortinet
Products: fortios
Weakness: CWE-121
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.6%)

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