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Vulnerability record · CVE-2025-64053 · published 5 December 2025

CVE-2025-64053: Fanvil x210 firmware classic buffer overflow vulnerability

Fanvil · X210 Firmware

A Buffer overflow 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.

7.5 CVSS 3.1 High EPSS 2.9% · top 13.6% CWE-120 · Classic buffer overflow
7.5CVSS 3.1 base score
2.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References, 1 tagged exploit
25 Sep 2026Last modified by NVD

Description

A Buffer overflow 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:N/S:U/C:N/I:N/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-2025-64053.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%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%5.5CVE-2025-43520Apple OS kernel memory corruption via malicious appA memory corruption flaw (classic buffer overflow) in Apple's kernel was fixed across iOS, iPadOS, macOS, tvOS, visionOS and watchOS. A malicious app…KEVEPSS 0.43%analysed8.8CVE-2025-31277Apple WebKit memory corruption via malicious web contentApple WebKit fails to handle memory correctly when processing crafted web content, leading to memory corruption across Safari, iOS, iPadOS, macOS, tv…KEVEPSS 1.6%analysed9.8CVE-2022-37055D-Link Go-RT-AC750 router buffer overflow in cgibin hnap_mainD-Link Go-RT-AC750 firmware revisions A v101b03 and B v200b02 contain a classic buffer overflow reachable through the cgibin hnap_main handler. The f…KEVEPSS 56%analysed

Source: NIST National Vulnerability Database (record CVE-2025-64053), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.