Fanvil x210 V2 2.12.20 System Configuration path traversal

Summaryinfo

A vulnerability was found in Fanvil x210 V2 2.12.20. It has been classified as critical. Impacted is an unknown function of the component System Configuration Handler. The manipulation leads to path traversal. This vulnerability is listed as CVE-2025-64057. The attack must be carried out from within the local network. There is no available exploit.

Detailsinfo

A vulnerability was found in Fanvil x210 V2 2.12.20. It has been rated as critical. This issue affects an unknown code block of the component System Configuration Handler. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Directory traversal vulnerability in Fanvil x210 V2 2.12.20 allows unauthenticated attackers on the local network to store files in arbitrary locations and potentially modify the system configuration or other unspecified impacts.

The identification of this vulnerability is CVE-2025-64057 since 10/27/2025. The exploitation is known to be easy. Access to the local network is required for this attack. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/05/2025). MITRE ATT&CK project uses the attack technique T1006 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Fanvil

Name

• x210 V2

Version

• 2.12.20

CPE 2.3info

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CPE 2.2info

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Entryinfo

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