July 14, 2025 · Applied Cybernetics Group
CVE-2025-47812 — Wing FTP Server Wing FTP Server
Wing FTP Server Improper Neutralization of Null Byte or NUL Character Vulnerability
- Added to KEV
2025-07-14- Federal due date
2025-08-04- Vendor
- Wing FTP Server
- Product
- Wing FTP Server
- EPSS
- 99.9th percentile (score 0.953, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- ATT&CK
- T1059 , T1068 · signal rollup
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2025-47812
CISA short 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
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.