SecuriTricks - CVE-2025-46776

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.

Product(s) Impacted

Vendor	Product	Versions
Fortinet	Fortiextender	7.6.0-7.6.1, 7.4.0-7.4.6, 7.2, 7.0

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	fortinet	fortiextender	7.6.0-7.6.1	/	/	/	/	/	/	/
a	fortinet	fortiextender	7.4.0-7.4.6	/	/	/	/	/	/	/
a	fortinet	fortiextender	7.2	/	/	/	/	/	/	/
a	fortinet	fortiextender	7.0	/	/	/	/	/	/	/

References

https://fortiguard.fortinet.com/psirt/FG-IR-25-251

CVSS Score

6.4 / 10

CVSS Data - 3.1

Attack Vector: LOCAL
Attack Complexity: HIGH
Privileges Required: HIGH
Scope: UNCHANGED
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: HIGH

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

View Vector String

Timeline

Published: Nov. 18, 2025, 5:16 p.m.
Last Modified: Nov. 19, 2025, 7:14 p.m.

Status : Undergoing Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

psirt@fortinet.com

CVE-2025-46776