CVE-2025-53844

published 2026-05-12

CVE-2025-53844: 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…

Priority P3 59 high 8.8 CVSS 3.1

AV N AC L PR L UI N S U C H I H A H

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.

Affected

10 ranges

Vendor	Product	Version range	Fixed in
fortinet	fortios	6.0.0 – 6.0.18	—
fortinet	fortios	6.2.0 – 6.2.17	—
fortinet	fortios	6.4.0 – 6.4.16	—
fortinet	fortios	7.0.0 – 7.0.17	—
fortinet	fortios	>= 7.2.0 < 7.2.12	7.2.12
fortinet	fortios	7.2.0 – 7.2.11	—
fortinet	fortios	>= 7.4.0 < 7.4.9	7.4.9
fortinet	fortios	7.4.0 – 7.4.8	—
fortinet	fortios	>= 7.6.0 < 7.6.4	7.6.4
fortinet	fortios	7.6.0 – 7.6.3	—

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CWE-787