Platform
fortinet
Component
fortisandbox
Fixed in
5.0.3
4.4.8
4.2.9
4.0.7
24.1.1
23.4.1
CVE-2025-53679 represents a Command Injection vulnerability discovered in Fortinet FortiSandbox. This flaw allows a remote, privileged attacker to execute arbitrary code or commands on the affected system. The vulnerability impacts FortiSandbox versions 4.0.0 through 24.1, including versions 5.0.0 through 5.0.2, 4.4.0 through 4.4.7, and all versions of 4.2 and 4.0, as well as FortiSandbox Cloud 24.1 and 23. A patch is available to remediate this issue.
The impact of CVE-2025-53679 is significant, as a successful exploit grants an attacker the ability to execute arbitrary commands with the privileges of the FortiSandbox process. This could lead to complete system compromise, including data exfiltration, malware installation, and lateral movement within the network. An attacker could leverage this vulnerability to gain persistent access to the network, potentially pivoting to other critical systems. The ability to execute commands directly on the FortiSandbox appliance bypasses typical security controls, making it a high-value target for attackers seeking to compromise network security. The vulnerability's reliance on HTTP/HTTPS requests suggests potential for remote exploitation, expanding the attack surface.
CVE-2025-53679 was published on December 9, 2025. The vulnerability's severity is currently assessed as MEDIUM (CVSS 6.9). Public proof-of-concept (POC) code may emerge, increasing the risk of exploitation. Monitor security advisories and threat intelligence feeds for updates on active exploitation campaigns. Check KEV (Known Exploited Vulnerabilities) catalogs to determine if the vulnerability is being actively exploited in the wild. The reliance on HTTP/HTTPS requests for exploitation suggests a potential for automated scanning and exploitation.
Exploit Status
EPSS
0.27% (50% percentile)
CISA SSVC
CVSS Vector
The primary mitigation for CVE-2025-53679 is to upgrade FortiSandbox to a patched version as soon as possible. Fortinet has likely released a security advisory detailing the fixed versions; consult the Fortinet support portal for the latest information. If immediate patching is not feasible, consider implementing temporary workarounds. Restrict network access to the FortiSandbox management interface to only trusted sources. Implement strict input validation on any user-supplied data that is processed by the FortiSandbox appliance. Monitor FortiSandbox logs for suspicious activity, particularly HTTP/HTTPS requests containing unusual characters or commands. Consider deploying a Web Application Firewall (WAF) or reverse proxy to filter malicious requests before they reach the FortiSandbox appliance. After upgrading, verify the fix by attempting to reproduce the vulnerability using the original attack vector; successful mitigation should prevent command execution.
Actualice FortiSandbox a una versión posterior a las afectadas. Consulte el advisory de Fortinet para obtener más detalles sobre las versiones corregidas y las instrucciones de actualización.
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CVE-2025-53679 is a Command Injection vulnerability in Fortinet FortiSandbox that allows attackers to execute commands on the system.
You are affected if you are running FortiSandbox versions 4.0.0–24.1, including 5.0.0-5.0.2, 4.4.0-4.4.7, 4.2, 4.0, and FortiSandbox Cloud 24.1 and 23.
Upgrade to a patched version of FortiSandbox as soon as possible. Consult the Fortinet support portal for details on available updates.
While no active campaigns are confirmed, the vulnerability's nature suggests potential for exploitation, and monitoring is advised.
Refer to the Fortinet security advisory for CVE-2025-53679 and the National Vulnerability Database (NVD) for more technical details.
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