CVE-2025-4561

HIGH
2025-05-12 [email protected]
8.7
CVSS 4.0
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CVSS Vector

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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 18:41 vuln.today
CVE Published
May 12, 2025 - 07:15 nvd
HIGH 8.7

Tags

RCE File Upload

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.

Analysis

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. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. 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.

Affected Products

See vendor advisory for affected versions.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.

Priority Score

45
Low Medium High Critical
KEV: 0
EPSS: +1.2
CVSS: +44
POC: 0

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CVE-2025-4561 vulnerability details – vuln.today
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