vulnerability
Fortinet FortiOS: Execute unauthorized code or commands (CVE-2025-53843)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:S/C:C/I:C/A:C) | Nov 18, 2025 | Dec 5, 2025 | Dec 5, 2025 |
Severity
9
CVSS
(AV:N/AC:M/Au:S/C:C/I:C/A:C)
Published
Nov 18, 2025
Added
Dec 5, 2025
Modified
Dec 5, 2025
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
Solutions
fortios-upgrade-7_4_9fortios-upgrade-7_6_4
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