What is CVE-2025-47855?

CVE-2025-47855 is a critical-severity vulnerability in Fortinet Fortifone, classified under Information Disclosure. CVSS score: 9.8/10. Published 2026-01-13.

How severe is CVE-2025-47855?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Information disclosure in Fortinet Fortifone

CVE-2025-47855

An exposure of sensitive information to an unauthorized actor [CWE-200] vulnerability in Fortinet FortiFone 7.0.0 through 7.0.1, FortiFone 3.0.13 through 3.0.23 allows an unauthenticated attacker to obtain the device configuration via craf…

Vulnerability class: Information Disclosure

EPSS: 0.008 (52.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Fortinet Fortifone — versions 7.0.0, 3.0.13

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

psirt@fortinet.com

Frequently asked questions

What is CVE-2025-47855?: CVE-2025-47855 is a critical-severity vulnerability in Fortinet Fortifone, classified under Information Disclosure. CVSS score: 9.8/10. Published 2026-01-13.
How severe is CVE-2025-47855?: Critical severity. CVSS v3 base score is 9.8 out of 10.