Back to Database
Status published
High
CVE-2025-53844
A out-of-bounds write vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3,...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-53844
Credits & Attribution
No credits recorded in the NVD database.
More from Fortinet
View All →CVE-2025-68686
An Exposure of Sensitive Information to an Unauthorized Actor vulnerability...
Medium
5.3
CVE-2025-68649
An improper limitation of a pathname to a restricted directory...
Medium
5.4
CVE-2025-68648
A use of externally-controlled format string vulnerability in Fortinet FortiAnalyzer...
Medium
6.5
CVE-2025-68482
A improper certificate validation vulnerability in Fortinet FortiAnalyzer 7.6.0 through...
Medium
6.3
CVE-2025-67862
An Internal Asset Exposed to Unsafe Debug Access Level or...
Medium
6
Affected Vendor
Fortinet
View all reports →Affected Software
FortiOS
Vulnerable Versions:
7.6.0, 7.4.0, 7.2.0, 7.0.0, 6.4.0, 6.2.0, 6.0.0
Timeline
Official Publish:
May 12th, 2026
Last Modified:
July 14th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
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