CVE-2025-47813
Wing FTP Server Information Disclosure Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 30 March 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
loginok.html in Wing FTP Server before 7.4.4 discloses the full local installation path of the application when using a long value in the UID cookie.
- CVSS 3.1
- 4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 62.51% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 16 March 2026 · due 30 March 2026
- Weakness
- CWE-209
- Affected
- wftpserver/wing ftp server
- Source
- cve@mitre.org
EPSS 62.5% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. https://www.wftpserver.com/serverhistory.htm ; https://nvd.nist.gov/vuln/detail/CVE-2025-47813
References
- https://github.com/MrTuxracer/advisories/blob/master/CVEs/CVE-2025-47813.txtExploit, Third Party Advisory
- https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/Exploit, Third Party Advisory
- https://www.wftpserver.comProduct
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47813US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.