CVE-2025-54820
Stack-Based Buffer Overflow in Fortinet FortiManager Enables RCE
Publication date: 2026-03-10
Last updated on: 2026-03-12
Assigner: Fortinet, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| 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) |
Helpful Resources
Exploitability
| 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). |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
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How can this vulnerability be detected on my network or system? Can you suggest some commands?
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What immediate steps should I take to mitigate this vulnerability?
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