CVE-2025-47812

Wing FTP Server Improper Neutralization of Null Byte or NUL Character Vulnerability

Wing FTP Server — Wing FTP Server

Added to KEV catalog: 14 July 2025
Federal remediation due date: 4 August 2025
Weakness classification (CWE): CWE-158

CISA 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

View on NVD View on MITRE CVE View full CISA catalog

More Wing FTP Server Vulnerabilities

CVE-2025-47813

Wing FTP Server Information Disclosure Vulnerability

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