CVE-2025-53844

State: Published
Severity: 8.3 High
Published: May 12, 2026
Updated: Oct 15, 2026
Reserved: Jul 10, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	8.3 High	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	fortinet

Weaknesses

CWE-787 Execute unauthorized code or commands

Affected Products

Product	Versions
FortiOSFortinet	7.6.0 through 7.6.3Affected 7.4.0 through 7.4.8Affected 7.2.0 through 7.2.11Affected 7.0.0 through 7.0.17Affected 6.4.0 through 6.4.16Affected 6.2.0 through 6.2.17Affected 6.0.0 through 6.0.18Affected

References

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