# CVE-2025-53844

## Summary

- **CVE ID:** CVE-2025-53844
- **Severity:** HIGH
- **CVSS Score:** 8.3 (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)
- **CWE:** CWE-787
- **Published:** May 12, 2026
- **Last Modified:** Aug 11, 2026

## 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.

## Affected Products

- Fortinet — FortiOS (7.6.0)
- Fortinet — FortiOS (7.4.0)
- Fortinet — FortiOS (7.2.0)
- Fortinet — FortiOS (7.0.0)
- Fortinet — FortiOS (6.4.0)
- Fortinet — FortiOS (6.2.0)
- Fortinet — FortiOS (6.0.0)

## References

- [CNA](https://fortiguard.fortinet.com/psirt/FG-IR-26-123)
- [siemens-SADP](https://cert-portal.siemens.com/productcert/html/ssa-864900.html)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.56%
- **EPSS Percentile:** 45.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-19._