CVE-2025-47812 — Wing FTP Server Improper Neutralization of Null Byte or NUL Character Vulnerability
CVE-2025-47812: Wing FTP Server Improper Neutralization of Null Byte or NUL Character Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Wing FTP Server |
| Product | Wing FTP Server |
| Date added | 2025-07-14 |
| Due date | 2025-08-04 |
| Ransomware campaign use | Unknown |
Description
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).
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes
https://www.wftpserver.com/serverhistory.htm ; https://nvd.nist.gov/vuln/detail/CVE-2025-47812
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-47812
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog