CVE-2025-47812
Wing FTP Server Improper Neutralization of Null Byte or NUL Character Vulnerability
CVSS
—
No CVSS
EPSS
93.9%
p100
KEV
YES
Jul 14, 2025
Exploit Today
80
0-100
Published: — · Last modified: —
Product
Wing FTP Server / Wing FTP Server
Vulnerability
Wing FTP Server Improper Neutralization of Null Byte or NUL Character Vulnerability
Added to KEV
Jul 14, 2025
Remediate by
Aug 4, 2025
Known ransomware use
No
Summary 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.
Notes
https://www.wftpserver.com/serverhistory.htm ; https://nvd.nist.gov/vuln/detail/CVE-2025-47812