← Vulnerability feed

Vulnerability record · CVE-2025-64054 · published 5 December 2025

CVE-2025-64054: Fanvil x210 firmware cross-site scripting vulnerability

Fanvil · X210 Firmware

A reflected Cross Site Scripting (XSS) vulnerability on Fanvil x210 2.12.20 devices allows attackers to cause a denial of service or potentially execute arbitrary commands via crafted POST request to the /cgi-bin/webconfig?page=upload&action=submit endpoint.

9.6 CVSS 3.1 Critical EPSS 0.44% · top 64.4% CWE-79 · Cross-site scripting
9.6CVSS 3.1 base score
0.44%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

A reflected Cross Site Scripting (XSS) vulnerability on Fanvil x210 2.12.20 devices allows attackers to cause a denial of service or potentially execute arbitrary commands via crafted POST request to the /cgi-bin/webconfig?page=upload&action=submit endpoint.

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

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-2025-64054.md ExploitThird Party Advisory

Track CVE-2025-64054 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

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%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%4.3CVE-2025-64056Fanvil x210 firmware missing authentication for critical function vulnerabilityFile upload vulnerability in Fanvil x210 V2 2.12.20 allows unauthenticated attackers on the local network to store arbitrary files on the filesystem.EPSS 0.23%6.1CVE-2026-42897Microsoft Exchange Server XSS enables spoofingMicrosoft Exchange Server and Exchange Server Subscription Edition fail to neutralize input during web page generation, a cross-site scripting flaw (…KEVEPSS 0.52%analysed6.1CVE-2025-48700Zimbra Classic UI stored XSS via crafted email HTMLZimbra Collaboration Suite Classic UI fails to properly sanitize HTML content in email messages, allowing crafted tag structures and attribute values…KEVEPSS 1.7%analysed6.1CVE-2025-66376Zimbra Collaboration Classic UI stored XSS via CSS @import in emailZimbra Collaboration Suite 10 before 10.0.18 and 10.1 before 10.1.13 allows stored cross-site scripting in the Classic UI through CSS @import directi…KEVEPSS 20%analysed

Source: NIST National Vulnerability Database (record CVE-2025-64054), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.