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CISA KEV · ACTIVELY EXPLOITED
HIGH severity

CVE-2025-58034 — Fortiweb

HIGH

CVE-2025-58034 is a high-severity (CVSS 7.2) OS Command Injection vulnerability in fortinet fortiweb. It is in CISA's Known Exploited Vulnerabilities catalog (added 2025-11-18) — treat it as actively exploited and patch now. No vendor fix is recorded yet; mitigation options are listed below.

An Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability [CWE-78] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.1, FortiWeb…

Published
Updated
Affected
1 product
Patched
See advisory
Exploits
None indexed
Exploitation data as of Oct 20, 2026 · OSV.dev, NVD, CISA KEV, FIRST.org (EPSS)

Exploitation Status

Actively exploited in the wild

  • Confirmed by CISA's Known Exploited Vulnerabilities catalog on 2025-11-18. Federal agencies were required to remediate by 2025-11-25.
  • A successful exploit gives an attacker total control of the affected component, not partial access.

Exploitation and automatability from CISA (KEV catalog and SSVC triage) for CVE-2025-58034.

EPSS Exploitation Probability

via FIRST.org ↗
54.7%probability of exploitation in next 30 days
High Risk-0.86%
Lower risk than most CVEs99th percentile — riskier than 99% of all scored CVEsHighest risk
38.5%45.5%52.5%59.5%50.7%54.7%Apr 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2025-58034 by exploitation likelihood (EPSS) against impact (CVSS). In the shaded patch-first corner (EPSS 50%+, CVSS 7.0+).

Where this sits among everything scored

Of 394,415 CVEs with a current EPSS score, this one falls in the 50–90% band (highlighted). Counts from FIRST.org, log-scaled.

Description

An Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability [CWE-78] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.1, FortiWeb 7.6.0 through 7.6.5, FortiWeb 7.4.0 through 7.4.10, FortiWeb 7.2.0 through 7.2.11, FortiWeb 7.0.0 through 7.0.11 may allow an authenticated attacker to execute unauthorized code on the underlying system via crafted HTTP requests or CLI commands.

Affected Products

1 product · 36 configurations
Application
fortiwebfortinet
36 versions
7.0.27.0.37.0.47.0.57.0.67.0.77.0.87.0.97.0.107.0.117.2.07.2.1

Detection & mitigation playbook

Vendor / appliance

  1. Detect

    Inventory every fortinet fortiweb deployment and check each version against the affected-products list above.

  2. Remediation status

    No patch has shipped for CVE-2025-58034 yet — track the fortinet fortiweb advisory for a fixed release and apply the workarounds below in the meantime.

  3. Mitigate without a patch

    Stop passing untrusted input into the interpreter or shell: call the affected binary with an argument array rather than a composed command string, reject anything outside a strict allowlist of expected values, and run the component under an account that cannot reach beyond the work it legitimately does. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.

Frequently Asked Questions

An Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability [CWE-78] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.1, FortiWeb 7.6.0 through 7.6.5, FortiWeb 7.4.0 through 7.4.10, FortiWeb 7.2.0 through 7.2.11, FortiWeb 7.0.0 through 7.0.11 may allow an authenticated attacker to execute unauthorized code on the underlying system via crafted HTTP requests or CLI commands.
O3 Security · Runtime Protection

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Detect and block the exploit chain at execution, on systems you cannot patch yet.

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CVE-2025-58034: Fortiweb Command Injection (KEV)