CVE-2025-54820
📛 CVE Title
CVE-2025-54820
Description
A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiManager 7.4.0 through 7.4.2, FortiManager 7.2.0 through 7.2.10, FortiManager 6.4 all versions may allow a remote unauthenticated attacker to execute unauthorized commands via crafted requests, if the service is enabled. The success of the attack depends on the ability to bypass the stack protection mechanisms.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- fortinet
- CVSS severity
- HIGH
- CVSS score
- 7.0 / 10
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:R- Effective score
- 7.0 / 10 HIGH source: CNA overview
- CWE(s)
-
CWE-121 - Reserved
- 2025-07-30
- Published
- 2026-03-10 17:44 UTC
- Last updated
- 2026-03-12 15:46 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/54xxx/CVE-2025-54820.json
- Linked Threat
- CVE-2025-54820 — CVE-2025-54820
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-03-10 18:17:58 UTC
- NVD last modified
- 2026-06-17 09:40:46 UTC
- NVD CVSS v3.1
- 8.1 / 10 HIGH source: psirt@fortinet.com
- NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H- Exploitability subscore
- 2.2 / 10
- Impact subscore
- 5.9 / 10
- EPSS score
- 0.0087 (probability of exploitation in next 30 days)
- EPSS percentile
- 55.06% vs all CVEs — higher = more likely to be exploited, as of 2026-07-27
NVD-assigned CWE(s):
CWE-121,
CWE-787
(differs from the CNA list above)
NVD / KEV / EPSS data refreshed 2026-07-27 19:23 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2025-208493 - Assigner
- fortinet
- Published
- Mar 10, 2026, 4:44:11 PM
- Updated
- Mar 12, 2026, 2:46:35 PM
- EUVD base score (CVSS 3.1)
-
7.0 / 10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:R - EUVD-reported EPSS
- 0.0600
- Vendors
- Fortinet
- Products
-
FortiManager (6.4.0 ≤6.4.15)FortiManager (7.4.0 ≤7.4.2)FortiManager (7.2.0 ≤7.2.10)
ENISA description: A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiManager 7.4.0 through 7.4.2, FortiManager 7.2.0 through 7.2.10, FortiManager 6.4 all versions may allow a remote unauthenticated attacker to execute unauthorized commands via crafted requests, if the service is enabled. The success of the attack depends on the ability to bypass the stack protection mechanisms.
EUVD references (1)
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| Fortinet | FortiManager |
7.4.0 (affected),
7.2.0 (affected),
6.4.0 (affected)
|
— |
Affected products — CPE 2.3 (1) NVD
NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.
cpe:2.3:a:fortinet:fortimanager:*:*:*:*:*:*:*:*
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
MITRE references (1) cveawg.mitre.org
Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.
Web references (8)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- http://cwe.mitre.org/data/definitions/787.html rapid7:cwe.mitre.org
- https://attackerkb.com/topics/CVE-2025-54820 rapid7:attackerkb.com
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-54820 rapid7:cve.mitre.org
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-208493 rapid7:euvd.enisa.europa.eu
- https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2025-54820 rapid7:services.nvd.nist.gov
- https://www.cve.org/CVERecord?id=CVE-2025-54820 rapid7:www.cve.org
- http://cwe.mitre.org/data/definitions/121.html rapid7:cwe.mitre.org
- https://www.fortiguard.com/psirt/FG-IR-26-098 rapid7:www.fortiguard.com
NVD-tagged references (1)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://fortiguard.fortinet.com/psirt/FG-IR-26-098 psirt@fortinet.com Vendor Advisory
Remediations (17)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:support.microsoft.com
This update applies to Windows Server 2025 Datacenter & Standard machines connected to Azure Arc. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained. For information on Windows update terminology, see the different types of Windows software updates. To view ...
2026-09-24 06:56 UTC -
web:vulners.com
CVE - 2025 -54821 affects Fortinet FortiOS (versions 6.4 and 7.0-7.6.3), FortiPAM (1.0-1.6.0), and FortiProxy (7.0-7.6.3). The root cause is improper privilege management (CWE-269) that may allow an authenticated administrator to bypass the trusted-h...
2026-09-24 06:56 UTC -
web:msrc-ppe.microsoft.com
The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.
2026-09-24 06:56 UTC -
web:www.cisecurity.org
<p>Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution. Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or ...
2026-09-24 06:56 UTC -
web:www.microsoft.com
Help protect your computing environment by keeping up to date on Microsoft technical security notifications. Security Update Guide Notifications Microsoft's free Security Update Guide Notifications provide links to security-related software updates and notification of re-released security updates. These notifications are sent via email throughout the month as needed. You can choose the type of ...
2026-09-24 06:56 UTC -
web:msrc.microsoft.com
Access Microsoft Security Response Center's guide to address vulnerabilities, manage security risks, and keep your systems protected with the latest updates.
2026-09-24 06:56 UTC -
web:senserva.com
Every Microsoft security patch (KB) and the CVEs it fixes, with severity, CVSS, and CISA KEV status. Cross-linked to the CVE reference.
2026-09-24 06:56 UTC -
web:web.whatsapp.com
Log in to WhatsApp Web for simple, reliable and private messaging on your desktop. Send and receive messages and files with ease, all for free.
2026-05-22 14:34 UTC -
web:www.oracle.com
This Critical Patch Update contains 374 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at October 2025 Critical Patch Update: Executive Summary and Analysis.
2026-05-22 14:34 UTC -
web:blog.qualys.com
EVALUATE Vendor-Suggested Mitigation with Policy Audit With Qualys Policy Audit's Out-of-the-Box Mitigation or Compensatory Controls, reduce the risk of a vulnerability being exploited because the remediation ( fix / patch ) cannot be done now; these security controls are not recommended by any industry standards, such as CIS, DISA-STIG.
2026-05-22 14:34 UTC -
web:www.securityweek.com
Microsoft has released patches for dozens of flaws in Windows and other products, including ones with a 'likely exploitation' rating.
2026-05-22 14:34 UTC -
web:cybersecuritynews.com
Microsoft released its final Patch Tuesday updates of 2025 on December 9, addressing 56 security vulnerabilities across Windows, Office, Exchange Server, and other components.
2026-05-22 14:34 UTC -
web:krebsonsecurity.com
Microsoft Corp. today issued security updates to fix more than 80 vulnerabilities in its Windows operating systems and software. There are no known "zero-day" or actively exploited vulnerabilities ...
2026-05-22 14:34 UTC -
web:learn.microsoft.com
Microsoft December 2025 Security Updates This release consists of the following 57 Microsoft CVEs : Tag CVE Base Score CVSS Vector Exploitability FAQs? Workarounds? Mitigations ? Windows PowerShell CVE - 2025 -54100 Windows Projected File System…
2026-05-22 14:34 UTC -
web:lifehacker.com
Microsoft's Patch Tuesday update for December is here, and Windows users should ensure their machines are updated as soon as possible to fix three zero-day vulnerabilities.
2026-05-22 14:34 UTC -
web:nvd.nist.gov
An official website of the United States government Here's how you know
2026-05-22 14:34 UTC -
web:petri.com
Microsoft's December 2025 Patch Tuesday delivers 56 security fixes and key improvements for Windows 11.
2026-05-22 14:34 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2025-54820.json.
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