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CVE-2025-53844

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CVE-2025-53844

Published: May 12, 2026

Modified: May 13, 2026

PUBLISHED

CVSS v3.1

8.3

HIGH

Description

A out-of-bounds write vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11 allows attacker to execute unauthorized code or commands via specially crafted packets.

VendorProductVersions

Fortinet

FortiOS

affected
7.6.0 - <= 7.6.3
affected
7.4.0 - <= 7.4.8
affected
7.2.0 - <= 7.2.11
affected
7.0.0 - <= 7.0.17
affected
6.4.0 - <= 6.4.16

+2 more versions

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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