CVE-2025-53844
Summary
| CVE | CVE-2025-53844 |
|---|---|
| State | PUBLISHED |
| Assigner | fortinet |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-12 18:16:35 UTC |
| Updated | 2026-05-12 18:57:02 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 8.8 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Problem Types: CWE-787 | CWE-787 Execute unauthorized code or commands
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 8.8 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | CNA | CVSS | 8.3 | HIGH | 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 |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Fortinet | FortiOS | affected 7.6.0 7.6.3 semver | Not specified |
| CNA | Fortinet | FortiOS | affected 7.4.0 7.4.8 semver | Not specified |
| CNA | Fortinet | FortiOS | affected 7.2.0 7.2.11 semver | Not specified |
| CNA | Fortinet | FortiOS | affected 7.0.0 7.0.17 semver | Not specified |
| CNA | Fortinet | FortiOS | affected 6.4.0 6.4.16 semver | Not specified |
| CNA | Fortinet | FortiOS | affected 6.2.0 6.2.17 semver | Not specified |
| CNA | Fortinet | FortiOS | affected 6.0.0 6.0.18 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| fortiguard.fortinet.com/psirt/FG-IR-26-123 | [email protected] | fortiguard.fortinet.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
Solutions
CNA: 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 Fortinet remediated this issue in FortiSASE version 25.3.a and hence customers do not need to perform any action. Upgrade to FortiSwitchManager version 7.2.7 or above Upgrade to FortiSwitchManager version 7.0.6 or above Fortinet remediated this issue in FortiEdgeCloud version 25.3 and hence customers do not need to perform any action.
There are currently no legacy QID mappings associated with this CVE.