How severe is CVE-2025-64053?

CVE-2025-64053 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-64053 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-64053?

CVE-2025-64053 affects Fanvil X210 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-64053?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-64053 have an EU (EUVD) identifier?

Yes. CVE-2025-64053 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201423.

When was CVE-2025-64053 published?

CVE-2025-64053 was published on 2025-12-05 and last updated on 2026-07-05.

CVE-2025-64053

CVE-2025-64053 is a high-severity vulnerability in Fanvil X210 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-201423
Weakness: CWE-120
Affected product: Fanvil X210 Firmware
Published: 2025-12-05
Last modified: 2026-07-05

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.

Frequently asked questions

What is CVE-2025-64053?: 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.
How severe is CVE-2025-64053?: CVE-2025-64053 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-64053 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-64053?: CVE-2025-64053 affects Fanvil X210 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-64053?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-64053 have an EU (EUVD) identifier?: Yes. CVE-2025-64053 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201423.
When was CVE-2025-64053 published?: CVE-2025-64053 was published on 2025-12-05 and last updated on 2026-07-05.

References

https://github.com/SpikeReply/advisories/blob/main/cve/fanvil/cve-2025-64053.md

EU advisories (EUVD)

http://fanvil.com

Affected products (1)

cpe:2.3:o:fanvil:x210_firmware:2.12.20:*:*:*:*:*:*:*

More vulnerabilities in Fanvil X210 Firmware

CVE-2025-64055 — Critical (CVSS 9.8): An issue was discovered in Fanvil x210 V2 2.12.20 allowing unauthenticated attackers on the local network to access…
CVE-2025-64054 — Critical (CVSS 9.6): A reflected Cross Site Scripting (XSS) vulnerability on Fanvil x210 2.12.20 devices allows attackers to cause a denial…
CVE-2025-64057 — High (CVSS 8.3): Directory traversal vulnerability in Fanvil x210 V2 2.12.20 allows unauthenticated attackers on the local network to…
CVE-2025-64052 — Medium (CVSS 5.1): An issue was discovered in Fanvil x210 V2 2.12.20 allowing unauthenticated attackers on the local network to execute…
CVE-2025-64056 — Medium (CVSS 4.3): File upload vulnerability in Fanvil x210 V2 2.12.20 allows unauthenticated attackers on the local network to store…

All CVEs affecting Fanvil X210 Firmware →

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