What is CVE-2025-64056?

CVE-2025-64056 is a medium-severity vulnerability in Fanvil X210, classified under Missing Authentication for Critical Function. CVSS score: 4.3/10. Published 2025-12-05.

How severe is CVE-2025-64056?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Fanvil X210

CVE-2025-64056

File upload vulnerability in Fanvil x210 V2 2.12.20 allows unauthenticated attackers on the local network to store arbitrary files on the filesystem.

Vulnerability class: Broken Authentication

EPSS: 0.002 (10.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Fanvil X210 — versions 2.0
Fanvil X210_firmware — versions 2.12.20
N/a — versions n/a

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

cve@mitre.org (Product)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-64056?: CVE-2025-64056 is a medium-severity vulnerability in Fanvil X210, classified under Missing Authentication for Critical Function. CVSS score: 4.3/10. Published 2025-12-05.
How severe is CVE-2025-64056?: Medium severity. CVSS v3 base score is 4.3 out of 10.