Advisoriesby IbisFortinetCVE-2026-70465
Fortinet FortiClientWindows: buffer overflow
No fix yet
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 versions
| Package | Affected | Fixed in |
|---|---|---|
| FortiClientWindows Product | >= 7.4.0, <= 7.4.3 | No fix yet |
| >= 7.2.0, <= 7.2.11 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-120