CVE-2025-4561

Name: CVE-2025-4561
Creator: NVD / NIST
Published: 2025-05-12T07:15:48.557+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.7/10EPSS 0.57%

Last modified Jun 17, 2026

CVE-2025-4561 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. The KFOX from KingFor has an Arbitrary File Upload vulnerability, allowing remote attackers with regular privilege to upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.. EPSS estimates a 0.57% chance of exploitation in the next 30 days.

Description

The KFOX from KingFor has an Arbitrary File Upload vulnerability, allowing remote attackers with regular privilege to upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.

Metrics

CVSS 3.1

8.8/10

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

CVSS 4.0

8.7/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.57%

42.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

References

Timeline

Published: May 12, 2025
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2025-4561?

How severe is CVE-2025-4561?

CVE-2025-4561 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.

How do I fix CVE-2025-4561?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-4561?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST