Vulnerabilities

Vulnerability · CVE-2025-53949

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, For

Published Dec 9, 2025 · catalog updated Feb 26, 2026 · Fortinet FortiSandbox

Last checked Nov 2, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2025-53949 is not in CISA KEV. FIRST estimates a 17.19% chance of exploitation in the next 30 days. Check whether you run Fortinet FortiSandbox.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
17.19%
Remediation
Vendor / distro source
Affected products
vendor Fortinet FortiSandbox 4.4.0 ≤4.4.7

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Fortinet FortiSandbox 4.4.0 ≤4.4.74.4.0 ≤4.4.7

How to fix CVE-2025-53949

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-53949 is not in CISA KEV. FIRST estimates a 17.19% chance of exploitation in the next 30 days. Check whether you run Fortinet FortiSandbox.

Which versions are affected?

Compare what you have installed with Fortinet FortiSandbox 4.4.0 ≤4.4.7 4.4.0 ≤4.4.7. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 17.19%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 9, 2025 · EUVD

    Detected

    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.

  2. Feb 26, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-53949

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-53949

    30-day exploitation probability 17.19%

    first.org
  • EUVDVulnerability recordEUVD-2025-202270

    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 allo

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 2, 2026
  • CVE.orgOct 27, 2026
  • EUVDOct 26, 2026