CVE-2025-53843

Medium

Open

TLP:CLEAR

NVD CVE.org

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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

Details

CVSS Score: 6.9
EPSS Score ⓘ: 0.59%

45.2th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:C
Confidence: 90%
Published: Nov 18, 2025
Last Modified: Aug 11, 2026

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