Wing FTP Server Improper Neutralization of Null Byte or NUL Character Vulnerability
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).
- Vendor
- Wing FTP Server
- Product
- Wing FTP Server
- CVSS
- 10.0
- EPSS (exploit probability)
- 95.5%
- Status
- kev
- CISA patch-by (BOD 22-01)
- Published
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).
Added to CISA’s Known Exploited Vulnerabilities catalog on 2025-07-14. Required action per 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. Due date: 2025-08-04.
This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.