CVE-2025-53844
CVSS Score
8.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-787 |
| Vendor | fortinet |
| Product | fortios |
| Ecosystems | |
| Industries | NetworkingSecurity |
| Published | May 12, 2026 |
| Last Updated | May 13, 2026 |
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CVSS v3 Breakdown
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 Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Fortinet / FortiOS
7.6.0 ≤ 7.6.3 7.4.0 ≤ 7.4.8 7.2.0 ≤ 7.2.11 7.0.0 ≤ 7.0.17 6.4.0 ≤ 6.4.16 6.2.0 ≤ 6.2.17 6.0.0 ≤ 6.0.18