VULNERABILITY INTELLIGENCE

CVE-2025-53843

CVSS score7.5 HIGH
EPSS probability0.66%
CISA KEVNot currently listed
Published2025-11-18
Last modified2026-10-18
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Weakness classification

  • psirt@fortinet.com: CWE-121

Primary references