CVE-2025-58034: Fortinet FortiWeb exploited

Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.

What it is

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.

Description quoted from the CVE record (assigned by fortinet, published 2025-11-18).

Weakness: Execute unauthorized code or commands

How it can be exploited

Exploitable over the network with low attack complexity needing high privileges and no user interaction. Impact: confidentiality high, integrity high, availability high. CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

CISA assessment (SSVC): CISA assesses exploitation as active. Automatable: no. Technical impact: total.

On CISA KEV since: 2025-11-18
US federal deadline: 2025-11-25
Ransomware use: Not known

Public exploit evidence (Exploit Observer)

Also known as: BDU:2025-14466, CNNVD-202511-2017, EUVD-2025-198020, GHSA-47cr-8w72-ggmc, ZDI-25-1014

VEDAS cluster: VEDAS:FLOWFLAME

Exploit Observer links 8 pieces of public exploit code or detection modules that name this CVE or one of its aliases.

Exploit code and modules (8)

Code that names this CVE. A repository can be a working exploit, a scanner, a fake or malware; read it before running anything.

Code repository: https://github.com/b1ack4sh/blackash-cve-2025-58034
Code repository: https://github.com/fluxmoth/cve-2025-58034
Code repository: https://github.com/lincemorado97/cve-2025-64446_cve-2025-58034
Code repository: https://raw.githubusercontent.com/ARPSyndicate/vedas-signatures/main/nuclei/2025/CVE-2025-58034.yaml
Code repository: https://raw.githubusercontent.com/ARPSyndicate/vedas-signatures/main/nuclei/2025/CVE-2025-58034.yaml
Code repository: https://raw.githubusercontent.com/ARPSyndicate/vedas-signatures/main/suricata/2025/CVE-2025-58034.rules
Code repository: https://raw.githubusercontent.com/ARPSyndicate/vedas-signatures/main/suricata/2025/CVE-2025-58034.rules
Code repository: https://raw.githubusercontent.com/ARPSyndicate/vedas-signatures/main/suricata/2025/CVE-2025-58034.rules

Research and write-ups (2)

Research or write-up: https://attackerkb.com/topics/zClpINmLCh/cve-2025-58034/rapid7-analysis
Research or write-up: https://www.zerodayinitiative.com/advisories/ZDI-25-1014

Vulnerability databases and vendor advisories (5)

Catalogue entries, not exploit evidence.

Vulnerability database or vendor advisory: https://euvd.enisa.europa.eu/enisa/EUVD-2025-198020
Vulnerability database or vendor advisory: https://github.com/advisories/GHSA-47cr-8w72-ggmc
Vulnerability database or vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-58034
Vulnerability database or vendor advisory: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-58034
Vulnerability database or vendor advisory: https://www.cnnvd.org.cn/home/globalSearch?keyword=CNNVD-202511-2017

24 more references returned by Exploit Observer did not name this CVE or an alias, so they are left out.

VEDAS data as of 2026-11-01T17:12 UTC; fetched 2026-11-02.

Live scores

EPSS: 0.547
very likely to be attacked soon
VEDAS: 0.987
strong exploit evidence
On CISA KEV: Yes, since 2025-11-18
Detection rule: Nuclei · Suricata

EPSS (chance of attack)

VEDAS (exploit evidence)

Thin horizontal line: the “likely” (EPSS 0.10) or “strong” (VEDAS 0.90) threshold. Shaded “no data” areas are periods when cve-scores did not publish.

Who is affected

Product	Affected	Not affected
Fortinet FortiWeb	from 7.6.0 up to and including 7.6.4 from 7.4.0 up to and including 7.4.8 from 7.2.0 up to and including 7.2.11 from 7.0.2 up to and including 7.0.11	Not stated

Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.

Exploit Observer also maps it to: fortinet fortiweb, fortinet_inc. fortiweb.

How to fix it

CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Vendor guidance:

How to detect it

Nuclei template (active check)

Fortinet FortiWeb - Command Injection
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.

Name and description quoted from the template, written by VEDAS.

The template sends 1 request (GET /index.php?x=%60echo%20m8njguwjtk5g%60); it decides using status, word matchers. Severity in the template: high. Marked as not yet verified against a live vulnerable target.

Run it against a host you own or are authorised to test:

bash

nuclei -u https://your-host -t CVE-2025-58034.yaml

Show the template (36 lines)

yaml

id: CVE-2025-58034

info:
  name: "Fortinet FortiWeb - Command Injection"
  author: vedas-arpsyndicate
  severity: high
  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.
  reference:
    - https://www.exploit.observer/?keyword=CVE-2025-58034&match=exact
    - https://subdomain.center/?engine=ammonites&keyword=fortiweb&match=exact
  classification:
    cvss-score: 7.2
    cve-id: CVE-2025-58034
    cwe-id: CWE-78
  metadata:
    verified: false
    max-request: 1
  tags: cve,cve2025,fortiweb,cmd

http:
  - method: GET
    path:
      - "{{BaseURL}}/index.php?x=%60echo%20m8njguwjtk5g%60"
    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "m8njguwjtk5g"
      - type: status
        status:
          - 200

CVE-2025-58034.yaml on GitHub

Suricata rules (network detection)

1 rule that alert on traffic matching this exploit: VEDAS CVE-2025-58034 Fortinet FortiWeb - Command Injection. Add them to your Suricata rule set and reload.

Show the rules

suricata

alert http $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"VEDAS CVE-2025-58034 Fortinet FortiWeb - Command Injection"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"index.php"; nocase; fast_pattern; content:"m8njguwjtk5g"; nocase; classtype:web-application-attack; reference:cve,CVE-2025-58034; reference:url,https://www.exploit.observer/?keyword=CVE-2025-58034&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=fortiweb&match=exact; sid:1003808; rev:2;)

CVE-2025-58034.rules on GitHub

Advisories on this CVE

FortiWeb path traversal plus command injection (CVE-2025-64446 / -58034) (14 Nov 2025)

References

Government sources

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-58034 (government-resource)

Other references

https://fortiguard.fortinet.com/psirt/FG-IR-25-513

Other databases

Where this comes from

This advisory is generated automatically by VEDAS from: CVE.org record, CISA KEV, cve-scores (EPSS and VEDAS), Exploit Observer, vedas-signatures. Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.