Stack-based buffer overflow in Fortinet FortiManager
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-54820
- 2026-10-03 Alias added: GHSA-qq5m-xh4x-hv7f
References
More Fortinet Fortimanager vulnerabilities
- TI-2026-20057 Authentication bypass in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.4
- TI-2024-31859 Missing authentication in Fortinet FortiManager KEVCVSS 3.1CRITICAL 9.8
- TI-2023-10911 A buffer underwrite ('buffer underflow') vulnerability in the administrative interface of… CVSS 3.1CRITICAL 9.3
- TI-2023-23782 Path traversal in Fortinet FortiAnalyzer CVSS 3.1MEDIUM 6.5
- TI-2024-32582 Path traversal in Fortinet FortiOS CVSS 3.1CRITICAL 9.1
- TI-2021-12260 Use after free in Fortinet FortiManager CVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-54820 · CVE Program
- CVE-2025-54820 · NVD
- FIRST EPSS
- GHSA-qq5m-xh4x-hv7f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences