Fortinet FortiWeb OS Command Injection and Remote Code Execution Vulnerability (CVE-2025-58034) Security Advisory
Executive & SecOps Summary
SECOPS ASSESSMENTFortinet FortiWeb versions 8.0.0 through 8.0.1, 7.6.0 through 7.6.5, 7.4.0 through 7.4.10, 7.2.0 through 7.2.11, and 7.0.0 through 7.0.11
An authenticated attacker can execute arbitrary OS commands with elevated privileges on the underlying system via crafted HTTP requests or CLI commands
Immediately upgrade to the patched versions (8.0.2, 7.6.6, 7.4.11, 7.2.12, 7.0.12 or higher) as recommended by the vendor
Affected Products & Version Scope
Remediation & Live Workaround Commands
PATCH & WORKAROUND1. Official Patch & Version Upgrade Commands
Apply the official security patches immediately. Below is an example of upgrading the firmware via the CLI:
# Perform firmware upgrade via TFTP server
execute restore image tftp FortiWeb_Patch_Upgrade.out 192.168.1.100
# Verify the system status and version after reboot
get system status2. Temporary Workaround & Hardening Configuration
If immediate patching is not feasible, restrict access to the FortiWeb management interface (HTTPS/SSH) to trusted administrator IP addresses only.
# Restrict administrator access to trusted hosts via CLI
config system admin
edit 'admin'
set trusthost1 10.10.10.0 255.255.255.0
set trusthost2 192.168.10.50 255.255.255.255
next
end3. Log Audit & IoC Verification Commands
Audit the FortiWeb CLI and system logs for any suspicious administrative activities or command executions.
# Retrieve administrator activity logs
show log admin-activity
# Check system performance and active processes for anomalies
get system performance statusBlock Exploits Instantly with Managed Virtual Patching Rules
Can't patch production immediately? Deploy managed WAF rules at the edge to intercept RCE, SQLi, and deserialization payloads before they hit your origin server.
Technical Root Cause & Exploitation Mechanics
1. Vulnerability Overview & Root Cause
This vulnerability (CVE-2025-58034) is an OS Command Injection vulnerability [CWE-78] residing in the management interface and CLI engine of Fortinet FortiWeb. The root cause is the improper neutralization of special elements within user-supplied inputs (such as HTTP request parameters or CLI arguments) before passing them to the underlying system shell.
2. Exploitation Mechanics & Attack Scenario
An authenticated attacker with administrative privileges can craft malicious payloads containing shell metacharacters (e.g., ';', '&', or '\`') and send them via specific administrative APIs or CLI commands. Because the input is not properly sanitized, the system concatenates and executes these payloads directly in the OS shell, allowing the attacker to run arbitrary commands with root privileges.
3. Infrastructure & Business Impact
Since FortiWeb acts as a critical perimeter defense mechanism (WAF), compromise of this device allows attackers to bypass security controls and pivot into the internal network. Given its inclusion in the CISA KEV catalog, active exploitation has been observed, making immediate remediation critical to prevent full infrastructure compromise.
Official Vendor Advisories & References
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.
Frequently Asked SecOps Questions (CVE-2025-58034)
FAQQ1. How critical is CVE-2025-58034 and is it actively exploited in the wild?
CVE-2025-58034 is rated CVSS 7.2 (HIGH) with a 30-day EPSS exploitation probability of 54.7%. It is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, requiring immediate emergency remediation.
Q2. Which vendors and products are affected by CVE-2025-58034?
Primary impacted vendors include fortinet across fortiweb. Scope summary: FortiWeb 8.0.0 to 8.0.1, 7.6.0 to 7.6.5, 7.4.0 to 7.4.10, 7.2.0 to 7.2.11, 7.0.0 to 7.0.11
Q3. What temporary mitigations or workarounds exist for CVE-2025-58034 before patching?
[Mitigation] Immediately upgrade to the patched versions (8.0.2, 7.6.6, 7.4.11, 7.2.12, 7.0.12 or higher) as recommended by the vendor Follow the CLI remediation commands and interactive SecOps checklist on this page to restrict exposure prior to your maintenance window.
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