CVE-2025-53843
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-11-18
Last updated on: 2025-11-21
Assigner: Fortinet, Inc.
Description
Description
A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions allows attacker to execute unauthorized code or commands via specially crafted packets
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| fortinet | fortios | From 6.4.0 (inc) to 7.4.9 (exc) |
| fortinet | fortios | From 7.6.0 (inc) to 7.6.4 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| 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 in Fortinet FortiOS versions 6.4 through 7.6.3. It allows an attacker to execute unauthorized code or commands by sending specially crafted packets to the affected system.
How can this vulnerability impact me? :
The vulnerability can allow an attacker to execute unauthorized code or commands on the affected FortiOS device, potentially leading to full compromise of the system, data loss, or disruption of services.
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