PT-2025-49254 · Fanvil · Fanvil X210

Published 2025-12-05 · Updated 2025-12-05 · CVE-2025-64054

Positive Technologies (AI Summary)

CVSS v3.1

9.6

Critical

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Fanvil x210 version 2.12.20

Description A reflected Cross Site Scripting (XSS) issue exists on Fanvil x210 devices. Successful exploitation could lead to a denial of service or potential arbitrary command execution. The issue is triggered by a crafted POST request to the /cgi-bin/webconfig?page=upload&action=submit endpoint. The request utilizes a malicious payload to exploit the vulnerability.

Recommendations Update to a newer version that contains a fix for this vulnerability.

Exploit

Fix

DoS

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-64054

Affected Products

Fanvil X210

References · 6

• 🔥 https://github.com/SpikeReply/advisories/blob/main/cve/fanvil/cve-2025-64054.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-64054 · Security Note
• https://osv.dev/vulnerability/CVE-2025-64054 · Vendor Advisory
• http://fanvil.com · Note
• https://twitter.com/VulmonFeeds/status/1997058648112038130 · Twitter Post
• https://twitter.com/CVEnew/status/1996969015558717801 · Twitter Post