A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiExtender 7.6.0 through 7.6.1, FortiExtender 7.4.0 through 7.4.6, FortiExtender 7.2 all versions, FortiExtender 7.0 all versions may allow an authenticated user to execute arbitrary code or commands via crafted CLI commands.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00017.

Exploitation none

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Fortinet Subscribe
Fortiextender Subscribe
Fortiextender Firmware Subscribe

Configuration 1 [-]

AND
OR cpe:2.3:o:fortinet:fortiextender_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortiextender_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:fortinet:fortiextender:-:*:*:*:*:*:*:*

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

Upgrade to FortiExtender version 7.6.3 or above Upgrade to FortiExtender version 7.4.8 or above

Workaround

No workaround given by the vendor.

References
Link Providers
https://fortiguard.fortinet.com/psirt/FG-IR-25-251 cve-icon cve-icon
History

Wed, 14 Jan 2026 09:30:00 +0000

Type Values Removed Values Added
Description A buffer copy without checking size of input ('classic buffer overflow') in Fortinet FortiExtender 7.6.0 through 7.6.1, FortiExtender 7.4.0 through 7.4.6, FortiExtender 7.2 all versions, FortiExtender 7.0 all versions may allow an authenticated user to execute arbitrary code or commands via crafted CLI commands. A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiExtender 7.6.0 through 7.6.1, FortiExtender 7.4.0 through 7.4.6, FortiExtender 7.2 all versions, FortiExtender 7.0 all versions may allow an authenticated user to execute arbitrary code or commands via crafted CLI commands.

Thu, 20 Nov 2025 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Fortinet fortiextender Firmware
CPEs cpe:2.3:h:fortinet:fortiextender:-:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortiextender_firmware:*:*:*:*:*:*:*:*
Vendors & Products Fortinet fortiextender Firmware

Tue, 18 Nov 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 18 Nov 2025 17:15:00 +0000

Type Values Removed Values Added
Description A buffer copy without checking size of input ('classic buffer overflow') in Fortinet FortiExtender 7.6.0 through 7.6.1, FortiExtender 7.4.0 through 7.4.6, FortiExtender 7.2 all versions, FortiExtender 7.0 all versions may allow an authenticated user to execute arbitrary code or commands via crafted CLI commands.
First Time appeared Fortinet
Fortinet fortiextender
Weaknesses CWE-120
CPEs cpe:2.3:a:fortinet:fortiextender:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiextender:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiextender:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiextender:7.0.3:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiextender:7.0.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiextender:7.0.5:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiextender:7.2.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiextender:7.2.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiextender:7.2.2:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiextender:7.2.3:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiextender:7.2.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiextender:7.2.5:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiextender:7.4.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiextender:7.4.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiextender:7.4.2:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiextender:7.4.3:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiextender:7.4.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiextender:7.4.5:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiextender:7.4.6:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiextender:7.6.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiextender:7.6.1:*:*:*:*:*:*:*
Vendors & Products Fortinet
Fortinet fortiextender
References
Metrics cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:C'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: fortinet

Published:

Updated: 2026-01-14T09:17:05.351Z

Reserved: 2025-04-29T08:42:13.449Z

Link: CVE-2025-46776

cve-icon Vulnrichment

Updated: 2025-11-18T18:34:01.827Z

cve-icon NVD

Status : Modified

Published: 2025-11-18T17:16:02.180

Modified: 2026-01-14T10:16:04.730

Link: CVE-2025-46776

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses