Buffer overflow in Fortinet Fortimanager
CVE-2025-54820
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (58.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000
Affected products
- Fortinet Fortimanager — versions 7.4.0, 7.2.0, 6.4.0
Weakness classification (CWE)
References
- fortiguard.fortinet.com/psirt/FG-IR-26-098 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-54820?
- CVE-2025-54820 is a high-severity vulnerability in Fortinet Fortimanager, classified under Stack-based Buffer Overflow. CVSS score: 8.1/10. Published 2026-03-10.
- How severe is CVE-2025-54820?
- High severity. CVSS v3 base score is 8.1 out of 10.