CVE-2025-54820

Published Mar 10, 2026

Last updated 4 days ago

Overview

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.
Source
psirt@fortinet.com
NVD status
Analyzed
Products
fortimanager

Risk scores

CVSS 3.1

Type
Secondary
Base score
8.1
Impact score
5.9
Exploitability score
2.2
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

Weaknesses

psirt@fortinet.com
CWE-121
nvd@nist.gov
CWE-787

Social media

Hype score
Not currently trending
  1. 🔴 FortiManager, Stack Buffer Overflow, #CVE-2025-54820 (High) https://t.co/BNLYrMNQXv

    @dailycve

    13 Mar 2026

    77 Impressions

    0 Retweets

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    0 Replies

    0 Quotes

  2. 인증 없이 관리자 권한 강탈... 포티매니저 취약점 공개, 온프레미스 기업 ‘비상’ 포티매니저 ‘fgtupdates’ 서비스 내 스택 기반 버퍼 오버플로 취약점(CVE-2025-54820) 발견 인증 없는 원격 공격으로 사내 연결된 하

    @rokmc_sns

    12 Mar 2026

    117 Impressions

    1 Retweet

    0 Likes

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  3. Fortinet's FortiManager fgtupdates service vulnerability (CVE-2025-54820) allows remote code execution. Upgrade now to secure your systems! Link: https://t.co/7eHZ6gb3T6 #Security #Vulnerability #Exploit #Patch #Update #Software #Network #Technology #Cyber #Protection #Threat htt

    @dailytechonx

    11 Mar 2026

    17 Impressions

    0 Retweets

    1 Like

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    0 Replies

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  4. ⚠️ CVE-2025-54820: Fortinet (CVSS: 7.0)... Stack smashing FortiManager across 3+ major versions with unauthenticated RCE - ASLR/DEP bypass required but when has t... https://t.co/OKfq978p6n #netsec #vulnerability #CVE #sysadmin #zeroday

    @0dayPublishing

    11 Mar 2026

    154 Impressions

    0 Retweets

    0 Likes

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    0 Replies

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  5. 🚨 FortiManager Flaw Opens Path to Remote Command Execution on Centralized Security Controllers Fortinet disclosed CVE-2025-54820, a high-severity stack-based buffer overflow in FortiManager’s fgtupdates service that can let attackers send crafted requests to execute unauthor

    @ThreatSynop

    11 Mar 2026

    3 Impressions

    0 Retweets

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  6. フォーティネットのFortiManagerで深刻な任意コマンド実行の脆弱性が修正。CVE-2025-54820はCVSSスコア7.0で、fgtupdatesにおけるバッファオーバーフロー。細工されたリクエストを送ることで、遠隔から無認証で発現。

    @__kokumoto

    10 Mar 2026

    724 Impressions

    1 Retweet

    2 Likes

    2 Bookmarks

    0 Replies

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  7. Fortinet issues security advisory for 11 flaws in FortiManager, FortiAnalyzer, FortiSwitchAXFixed, FortiSandbox, incl. CVE-2025-54820 allowing remote unauth command exec via fgtupdates. Patch now. #Vulnerability https://t.co/wZdpDZTAPP

    @threatcluster

    10 Mar 2026

    101 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

Configurations

References

Sources include official advisories and independent security research.