Buffer overflow in Fortinet Fortios
CVE-2025-22258
A heap-based buffer overflow in Fortinet FortiSRA 1.5.0, 1.4.0 through 1.4.2, FortiPAM 1.5.0, 1.4.0 through 1.4.2, 1.3.0 through 1.3.1, 1.2.0, 1.1.0 through 1.1.2, 1.0.0 through 1.0.3, FortiProxy 7.6.0 through 7.6.1, 7.4.0 through 7.4.7, FortiOS 7.6.0 through 7.6.2, 7.4.0 through 7.4.6, 7.2.0 through 7.2.10, 7.0.2 through 7.0.16, FortiSwitchManager 7.2.1 through 7.2.5 allows attackers to escalate their privilege via specially crafted http requests.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (45.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Fortinet Fortios — versions 7.6.0, 7.4.0, 7.2.0
- Fortinet Fortipam — versions 1.5.0, 1.4.0, 1.3.0
- Fortinet Fortiproxy — versions 7.6.0, 7.4.0
- Fortinet Fortisra — versions 1.5.0, 1.4.0
- Fortinet Fortiswitchmanager — versions 7.2.1
Weakness classification (CWE)
References
- fortiguard.fortinet.com/psirt/FG-IR-24-546 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-22258?
- CVE-2025-22258 is a medium-severity vulnerability in Fortinet Fortios, classified under Heap-based Buffer Overflow. CVSS score: 6.5/10. Published 2025-10-14.
- How severe is CVE-2025-22258?
- Medium severity. CVSS v3 base score is 6.5 out of 10.