ZDI-26-645: Fortinet FortiSandbox write_remote_backup_to_crontab cronValue Command Injection Remote Code Execution Vulnerability
Published Sep 9, 2026
·Updated
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Fortinet FortiSandbox. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.2. The following CVEs are assigned: CVE-2026-84387.
Affected Software
1 affected component
Fortinet FortiSandbox
Event History
Sep 9, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
Frequently Asked Questions
1
What level of access does an attacker need to exploit this issue?
The attacker must be authenticated to the affected Fortinet FortiSandbox installation. The provided information does not identify which authenticated role or privilege level is required.
2
What is the potential impact after successful exploitation?
A successful attacker can execute arbitrary code on the affected Fortinet FortiSandbox system. The advisory assigns CVSS 7.2 to the issue.