CVE detail
CVE-2025-47812: Wing FTP Server Improper Neutralization of Null Byte or NUL Character Vulnerability
Source: CISA Known Exploited Vulnerabilities catalog · back to feed
Vendor / product
Wing FTP Server · Wing FTP Server
- Date added (KEV)
- Jul 14, 2025
- CISA due date
- Aug 04, 2025
- Ransomware campaign use
- Unknown
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.
Vendor fix: Vendor mitigation
Scorifya interpretation
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Plain English
Technical detail
From CISA
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
See what attackers can see on your domain
This vulnerability is on CISA's Known Exploited Vulnerabilities list, so it is being exploited in the wild right now. Scorifya can't test for Wing FTP Server directly, but in about 30 seconds it shows what your own domain exposes publicly across TLS, security headers, DNS, and cookies: the surface attackers probe first.
SOC 2 compliance
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See Scorifya Controls →References
- https://www.vicarius.io/vsociety/posts/cve-2025-47812-mitigation-script-remote-code-execution-vulnerability-in-wing-ftp-serverMitigationThird Party Advisory
- https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/ExploitThird Party Advisory
- https://www.vicarius.io/vsociety/posts/cve-2025-47812-detection-script-remote-code-execution-vulnerability-in-wing-ftp-serverThird Party Advisory
- https://www.wftpserver.com/Product
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47812US Government Resource
- https://www.huntress.com/blog/wing-ftp-server-remote-code-execution-cve-2025-47812-exploited-in-wildExploitThird Party Advisory
Other recent CVEs from Wing FTP Server
- CVE-2025-47813Wing FTP Server, Wing FTP Server Information Disclosure Vulnerability