CVE-2025-53844

HIGH EPSS 42.6%

Published May 12, 20261mo ago · Modified Jun 17, 20261w ago

8.8 CVSS 3.1

High

Published May 12, 2026 1mo ago

Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score

8.8

Exploitability

2.8

Impact

5.9

Vector string

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector Network

Attack Complexity Low

Privileges Required Low

User Interaction None

Scope Unchanged

Confidentiality High

Integrity High

Availability High

Threat Intelligence

EPSS Exploit Probability

42.6% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 3

Vendor	Product	Version	Range
fortinet	fortios	*	≥7.2.0 – <7.2.12
fortinet	fortios	*	≥7.4.0 – <7.4.9
fortinet	fortios	*	≥7.6.0 – <7.6.4

References 2

cert-portal.siemens.com https://cert-portal.siemens.com/productcert/html/ssa-864900.html
fortiguard.fortinet.com https://fortiguard.fortinet.com/psirt/FG-IR-26-123

Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.