CVE-2025-53949 Command injection in FortiSandbox
An authenticated attacker can execute unauthorized code on FortiSandbox systems via crafted HTTP requests due to OS command injection.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-53949?
CVE-2025-53949 is a high-severity command injection vulnerability in Fortinet Fortisandbox, published on 9 Dec 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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 may allow an authenticated attacker to execute unauthorized code on the underlying system via crafted HTTP requests.
Weakness: CWE-78
Which versions are affected by CVE-2025-53949?
It affects 1 product.
Products include Fortinet Fortisandbox.
How do I fix CVE-2025-53949?
No fix has been published for CVE-2025-53949 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2025-53949 being exploited?
There is no known exploitation of CVE-2025-53949 in the wild and no public exploit code.
Other vulnerabilities in Fortinet Fortisandbox
Sources
Also known as GHSA-g5pp-f223-r98m.