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Vulnerability record · CVE-2025-64056 · published 5 December 2025

CVE-2025-64056: Fanvil x210 firmware missing authentication for critical function vulnerability

Fanvil · X210 Firmware

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

4.3 CVSS 3.1 Medium EPSS 0.23% · top 87.8% CWE-306 · Missing authentication for critical function
4.3CVSS 3.1 base score
0.23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References, 1 tagged exploit
5 Jul 2026Last modified by NVD

Description

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

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/SpikeReply/advisories/blob/main/cve/fanvil/cve-2025-64056.md ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-64055Fanvil x210 firmware improper authentication vulnerabilityAn issue was discovered in Fanvil x210 V2 2.12.20 allowing unauthenticated attackers on the local network to access administrative functions of the d…EPSS 0.52%9.6CVE-2025-64054Fanvil x210 firmware cross-site scripting vulnerabilityA reflected Cross Site Scripting (XSS) vulnerability on Fanvil x210 2.12.20 devices allows attackers to cause a denial of service or potentially exec…EPSS 0.44%8.3CVE-2025-64057Fanvil x210 firmware path traversal vulnerabilityDirectory traversal vulnerability in Fanvil x210 V2 2.12.20 allows unauthenticated attackers on the local network to store files in arbitrary locatio…EPSS 0.81%7.5CVE-2025-64053Fanvil x210 firmware classic buffer overflow vulnerabilityA Buffer overflow vulnerability on Fanvil x210 2.12.20 devices allows attackers to cause a denial of service or potentially execute arbitrary command…EPSS 2.9%5.1CVE-2025-64052Fanvil x210 firmware command injection vulnerabilityAn issue was discovered in Fanvil x210 V2 2.12.20 allowing unauthenticated attackers on the local network to execute arbitrary system commands.EPSS 2.8%8.8CVE-2026-67277MikroTik RouterOS btest missing authentication leaks kernel memory and crashes kernelRouterOS accepts a "related" btest connection before the primary session is authenticated, letting an unauthenticated client start an IPv4 UDP test. …KEVEPSS 1.6%analysed8.8CVE-2026-59822LiteLLM MCP endpoint auth bypass via OAuth2 passthrough fallbackLiteLLM's MCP Streamable HTTP endpoint, prior to 1.84.0, let an unauthenticated attacker send a fabricated Authorization header that triggered an OAu…KEVEPSS 0.84%analysed9.3CVE-2026-72529TrueConf Server missing authentication allows remote script executionTrueConf Server versions 5.3.X through 5.3.9, 5.4.X through 5.4.9, 5.5.X through 5.5.5, and earlier expose an undocumented function on port 4307/TCP …KEVEPSS 1.5%analysed

Source: NIST National Vulnerability Database (record CVE-2025-64056), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.