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CVE-2026-70465

nvd nist
Published: Aug 12, 2026Modified: Sep 8, 2026

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8.1
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 2.2 / Impact: 5.9
Source: psirt@fortinet.com (Secondary)

Description

A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.0 through 7.2.11 may allow an unauthenticated attacker in a position to alter or craft DNS responses to the targeted host to execute arbitrary code via malicious packets.

Affected (2)

Fortinet
1 product
Forticlient
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Fortinet
Forticlient
From 7.2.0 to 7.2.12
Forticlient
From 7.4.0 to 7.4.4

Related CWEs

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.

References (1)

Source: psirt@fortinet.com
Vendor AdvisoryMitigation

Timeline

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