CVE-2025-53847
A missing authentication for critical function 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, FortiOS 7.0.0 through 7.0.17, FortiOS 6
Severity
Medium 6.2
CVSS 3.1
Exploited
Not listed
EPSS
0.003
20.4th percentile
Discovered by
Not disclosed
Published
Apr 14, 2026
Assigned by fortinet
Description
A missing authentication for critical function 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, FortiOS 7.0.0 through 7.0.17, FortiOS 6.4 all versions, FortiOS 6.2.9 through 6.2.17 allows attacker to execute unauthorized code or commands via specially crafted packets.
Weakness: CWE-306
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Fortinet | FortiOS | Firewall / NGFW | cna-assigner |
Vendor-reported affected versions (2)
- Fortinet · FortiOS
- Siemens · RUGGEDCOM APE1808
Vendor remediation
Upgrade to FortiOS version 7.6.4 or above Upgrade to FortiOS version 7.4.9 or above Upgrade to FortiOS version 7.2.12 or above Upgrade to FortiOS version 7.0.18 or above