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)

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)

https://fortiguard.fortinet.com/psirt/FG-IR-26-098

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.

https://fortiguard.fortinet.com/psirt/FG-IR-26-098

MITRE references (1) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

https://fortiguard.fortinet.com/psirt/FG-IR-26-098

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 (10)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

Microsoft and Adobe Patch Tuesday, September 2025 Security Update ...

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
Microsoft December 2025 Patch Tuesday - 56 Vulnerabilities Fixed ...

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
Microsoft Patch Tuesday, September 2025 Edition - Krebs on Security

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
Microsoft December 2025 Security Updates / FYI - Microsoft Q&A

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
Microsoft's Latest 'Patch Tuesday' Update Fixes These ... - Lifehacker

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
NVD - cve-2025-54821

web:nvd.nist.gov

An official website of the United States government Here's how you know

2026-05-22 14:34 UTC
Microsoft Releases December 2025 Patch Tuesday Updates

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
WhatsApp Web

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
Oracle Critical Patch Update Advisory - October 2025

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
Microsoft Patches 86 Vulnerabilities - SecurityWeek

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

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2025-54820.json.

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