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Medium · 6.9 CVE-2025-53843 EUVD-2025-198006GHSA-69h7-jm2r-gmcg

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,…

Published Nov 18, 2025 · Updated Oct 15, 2026 · Assigned by fortinet

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

Affected products

VendorProductAffectedFixed
Fortinet FortiOS 7.6.0 – ≤ 7.6.3, 7.4.0 – ≤ 7.4.8, 7.2.0 – ≤ 7.2.12, 7.0.0 – ≤ 7.0.18, 6.4.0 – ≤ 6.4.16 —

Advisories 4

References