CVE-2025-53843

score

<0.1

cvss

7.5

epss

0.7%

published

2025-11-18

kev added

—

first seen

2026-10-21

Fortinet FortiOS 6.4 all versions, 7.0 all versions, 7.2 all versions, 7.4.0 through 7.4.8, and 7.6.0 through 7.6.3 contain a stack-based buffer overflow caused by improper handling of specially crafted packets, letting attackers execute unauthorized code or commands remotely, exploit requires network access.