High severity · published Dec 9, 2025
CVE-2025-53679
An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2,…
7.2
CVSS
12.2%
EPSS
No
On KEV
Description
An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2, FortiSandbox 4.4.0 through 4.4.7, FortiSandbox 4.2 all versions, FortiSandbox 4.0 all versions, FortiSandbox Cloud 24.1, FortiSandbox Cloud 23 all versions allows a remote privileged attacker to execute unauthorized code or commands via crafted HTTP or HTTPS requests.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)12.2% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
FortiSandbox · Fortinet
5.0.0 through 5.0.2; 4.4.0 through 4.4.7; 4.2.1 through 4.2.8; 4.0.0 through 4.0.6 · source: vendor, NVD
FC
FortiSandbox Cloud · Fortinet
24.1; 23.4 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-53679
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-53679
Vendor Advisory
https://fortiguard.fortinet.com/psirt/FG-IR-25-454
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