Overview
Wing FTP Server contains an improper neutralization of null byte or NUL character vulnerability that can allow injection of arbitrary Lua code into user session files. This can be used to execute arbitrary system commands with the privileges of the FTP service (root or SYSTEM by default).
https://www.wftpserver.com/serverhistory.htm ; https://nvd.nist.gov/vuln/detail/CVE-2025-47812
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2025-47812 |
| Vendor / Product | Wing FTP Server — Wing FTP Server |
| NVD Published | 2025-07-10 |
| NVD Last Modified | 2025-11-05 |
| CVSS 3.1 Score | 10 |
| CVSS 3.1 Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| Severity | CRITICAL |
| CWE | CWE-158 |
| CISA KEV Added | 2025-07-14 |
| CISA KEV Deadline | 2025-08-04 |
| Known Ransomware Use | No |
CVSS 3.1 Breakdown
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Required Action
CISA BOD 22-01 Deadline: 2025-08-04.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Timeline
| Date | Event |
|---|---|
| 2025-07-14 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2025-08-04 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2025-47812 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |