CVE-2025-54820
Received Received - Intake
Stack-Based Buffer Overflow in Fortinet FortiManager Enables RCE

Publication date: 2026-03-10

Last updated on: 2026-03-12

Assigner: Fortinet, Inc.

Description
A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiManager 7.4.0 through 7.4.2, FortiManager 7.2.0 through 7.2.10, FortiManager 6.4 all versions may allow a remote unauthenticated attacker to execute unauthorized commands via crafted requests, if the service is enabled. The success of the attack depends on the ability to bypass the stack protection mechanisms.
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Meta Information
Published
2026-03-10
Last Modified
2026-03-12
Generated
2026-06-16
AI Q&A
2026-03-10
EPSS Evaluated
2026-06-15
NVD
EUVD
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
fortinet fortimanager From 7.4.0 (inc) to 7.4.3 (exc)
fortinet fortimanager From 6.4.0 (inc) to 7.2.11 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.
CWE-121 A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
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Executive Summary

This vulnerability is a stack-based buffer overflow (CWE-121) found in Fortinet FortiManager versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.10, and all versions of 6.4. It may allow a remote unauthenticated attacker to execute unauthorized commands by sending specially crafted requests to the service if it is enabled. The attack's success depends on bypassing stack protection mechanisms.

Impact Analysis

If exploited, this vulnerability can allow a remote attacker without authentication to execute unauthorized commands on the affected FortiManager system. This can lead to full compromise of confidentiality, integrity, and availability of the system, potentially resulting in data breaches, system disruption, or further network compromise.

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