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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-58034

Fortinet FortiWeb OS Command Injection Vulnerability

KEVHIGH 7.2EPSS 54.7%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 25 November 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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.

CVSS 3.1
7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
54.72% probability · 99th percentile
Public exploits
None in Exploit-DB
CISA KEV
Listed 18 November 2025 · due 25 November 2025
Weakness
CWE-78
Affected
fortinet/fortiweb
Source
psirt@fortinet.com
EPSS trend
0%28%55%26 October 2026: 54.72%26 October 202626 October 2026

EPSS 54.7% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. https://fortiguard.fortinet.com/psirt/FG-IR-25-513 ; https://nvd.nist.gov/vuln/detail/CVE-2025-58034

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.