TI-2025-39519 Aliases CVE-2025-64053 GHSA-pjqp-6rr5-xgrq

A Buffer overflow vulnerability on Fanvil x210 2.12.20 devices allows attackers to cause…

HIGH 66CWE-120Published 2025-12-05 · Updated 2026-07-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.03099 87th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:fanvil:x210_firmware:2.12.20:::::::*	2.12.20	Vulnerable	Fanvil
cpe:2.3:h:fanvil:x210:2.0:::::::*	2.0	Running on	Fanvil

cpe:2.3:o:fanvil:x210_firmware:2.12.20:*:*:*:*:*:*:* Versions 2.12.20 Vulnerable ·Fanvil
cpe:2.3:h:fanvil:x210:2.0:*:*:*:*:*:*:* Versions 2.0 Running on ·Fanvil

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-64053
2026-10-03 Alias added: GHSA-pjqp-6rr5-xgrq

References

Exploit 1

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

TI-2025-39521 An issue was discovered in Fanvil x210 V2 2.12.20 allowing unauthenticated attackers on… CVSS 3.1CRITICAL 9.8
TI-2025-39520 A reflected Cross Site Scripting (XSS) vulnerability on Fanvil x210 2.12.20 devices… CVSS 3.1CRITICAL 9.6
TI-2025-39523 Directory traversal vulnerability in Fanvil x210 V2 2.12.20 allows unauthenticated… CVSS 3.1HIGH 8.3
TI-2025-39518 An issue was discovered in Fanvil x210 V2 2.12.20 allowing unauthenticated attackers on… CVSS 3.1MEDIUM 5.1
TI-2025-39522 File upload vulnerability in Fanvil x210 V2 2.12.20 allows unauthenticated attackers on… CVSS 3.1MEDIUM 4.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences