{"schema":"threatline.record/2","record":{"id":"CVE-2025-47812","aliases":[],"summary":"Wing FTP Server Improper Neutralization of Null Byte or NUL Character Vulnerability","details":"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).","categories":["Network & edge"],"product":"Wing FTP Server","vendor":"Wing FTP Server","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2025-47812","source_modified_at":"2026-02-26T17:50:49.802Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Wing FTP Server","vendor":"wftpserver","versions":[{"lessThan":"7.4.4","status":"affected","version":"0","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2025-47812","source_modified_at":"2026-02-26T17:50:49.802Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Wing FTP Server","ecosystem":null},"version":"7.4.4","basis":"first unaffected version stated in the CVE record"}],"cvss":10,"severity":"Critical","kev":{"listed":true,"date_added":"2025-07-14","due_date":"2025-08-04","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.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.93884,"percentile":0.99846,"score_date":"2026-10-23"},"published_at":"2025-07-10T00:00:00.000Z","modified_at":"2026-02-26T17:50:49.802Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2025-47812","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-02-26T17:50:49.802Z"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/ftp/wing_ftp_admin_exec.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2014-06-19"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/wingftp_null_byte_rce.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-06-30"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/52347","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-07-02"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-47812.yaml","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":null},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2025-47812","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Metasploit","Exploit-DB","Nuclei","EPSS"],"references":[{"url":"https://www.wftpserver.com/serverhistory.htm","source":"CISA KEV"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-47812","source":"CISA KEV"},{"source":"CVE List","url":"https://www.wftpserver.com"},{"source":"CVE List","url":"https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/"},{"source":"CVE List","url":"https://www.vicarius.io/vsociety/posts/cve-2025-47812-mitigation-script-remote-code-execution-vulnerability-in-wing-ftp-server"},{"source":"CVE List","url":"https://www.vicarius.io/vsociety/posts/cve-2025-47812-detection-script-remote-code-execution-vulnerability-in-wing-ftp-server"},{"source":"CVE List","url":"https://www.huntress.com/blog/wing-ftp-server-remote-code-execution-cve-2025-47812-exploited-in-wild","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47812","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"total","assessed_at":"2025-07-17T03:55:37.528015Z"},"exploits":[{"source":"Metasploit","kind":"Exploit module","name":"Wing FTP Server Authenticated Command Execution","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/ftp/wing_ftp_admin_exec.rb","date":"2014-06-19","added":"2026-06-02","check":true},{"source":"Metasploit","kind":"Exploit module","name":"Wing FTP Server NULL-byte Authentication Bypass (CVE-2025-47812)","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/wingftp_null_byte_rce.rb","date":"2025-06-30","added":"2026-06-02","check":true},{"source":"Exploit-DB","kind":"Remote exploit","name":"Wing FTP Server 7.4.3 - Unauthenticated Remote Code Execution  (RCE)","url":"https://www.exploit-db.com/exploits/52347","date":"2025-07-02","added":"2025-07-02","verified":false},{"source":"Nuclei","kind":"Scanner template","name":"Wing FTP Server <= 7.4.3 - Remote Code Execution","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-47812.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-02-26T17:50:49.802Z","content_hash":"1cbcd6f1021102657da524fb0a8070b5593e8183e4e4f4b921dee519592dfdd0"}}