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CVE Vulnerability Details :
CVE-2025-53844
PUBLISHED
More InfoOfficial Page
Assigner-fortinet
Assigner Org ID-6abe59d8-c742-4dff-8ce8-9b0ca1073da8
View Known Exploited Vulnerability (KEV) details
Published At-12 May, 2026 | 16:54
Updated At-13 May, 2026 | 03:58
Rejected At-
▼CVE Numbering Authority (CNA)

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
Vendor
Fortinet, Inc.Fortinet
Product
FortiOS
CPEs
  • cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.6.2:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.6.1:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.4.8:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.4.7:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.4.6:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.4.5:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.4.4:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.4.3:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.4.2:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.4.1:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.4.0:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.2.11:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.2.10:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.2.9:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.2.8:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.2.7:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.2.6:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.2.5:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.2.4:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.2.3:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.2.2:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.2.1:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.2.0:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.0.17:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.0.16:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.0.15:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.0.14:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.0.13:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.0.12:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.0.11:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.0.10:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.0.9:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.0.8:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.0.7:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.0.6:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.0.5:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.0.4:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.0.3:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.0.2:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.0.1:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:7.0.0:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.4.16:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.4.15:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.4.14:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.4.13:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.4.12:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.4.11:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.4.10:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.4.9:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.4.8:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.4.7:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.4.6:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.4.5:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.4.4:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.4.3:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.4.2:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.4.1:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.4.0:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.2.17:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.2.16:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.2.15:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.2.14:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.2.13:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.2.12:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.2.11:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.2.10:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.2.9:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.2.8:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.2.7:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.2.6:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.2.5:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.2.4:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.2.3:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.2.2:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.2.1:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.2.0:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.0.18:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.0.17:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.0.16:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.0.15:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.0.14:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.0.13:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.0.12:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.0.11:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.0.10:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.0.9:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.0.8:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.0.7:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.0.6:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.0.5:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.0.4:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.0.3:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.0.2:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.0.1:*:*:*:*:*:*:*
  • cpe:2.3:o:fortinet:fortios:6.0.0:*:*:*:*:*:*:*
Default Status
unaffected
Versions
Affected
  • From 7.6.0 through 7.6.3 (semver)
  • From 7.4.0 through 7.4.8 (semver)
  • From 7.2.0 through 7.2.11 (semver)
  • From 7.0.0 through 7.0.17 (semver)
  • From 6.4.0 through 6.4.16 (semver)
  • From 6.2.0 through 6.2.17 (semver)
  • From 6.0.0 through 6.0.18 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-787Execute unauthorized code or commands
Type: CWE
CWE ID: CWE-787
Description: Execute unauthorized code or commands
Metrics
VersionBase scoreBase severityVector
3.18.3HIGH
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
Version: 3.1
Base score: 8.3
Base severity: HIGH
Vector:
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
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

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.

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://fortiguard.fortinet.com/psirt/FG-IR-26-123
N/A
Hyperlink: https://fortiguard.fortinet.com/psirt/FG-IR-26-123
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Details not found