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PatchSiren cyber security CVE debrief

CVE-2025-47813 Wing FTP Server CVE debrief

CVE-2025-47813 is an information disclosure vulnerability affecting Wing FTP Server and has been added to CISA’s Known Exploited Vulnerabilities catalog. For defenders, the key point is not just the CVE itself, but the KEV status: CISA lists it with a required remediation window ending 2026-03-30. If your environment uses Wing FTP Server, prioritize vendor guidance, validate whether mitigations are available, and plan removal or replacement if they are not.

Vendor
Wing FTP Server
Product
Wing FTP Server
CVSS
MEDIUM 4.3
CISA KEV
Listed
Original CVE published
2026-03-16
Original CVE updated
2026-03-16
Advisory published
2026-03-16
Advisory updated
2026-03-16

Who should care

Organizations running Wing FTP Server, especially internet-facing instances; IT and security teams responsible for file transfer services; managed service providers supporting customers that use Wing FTP Server.

Technical summary

The supplied corpus identifies CVE-2025-47813 only as a Wing FTP Server information disclosure vulnerability. No CVSS score or detailed flaw mechanics were provided in the source set. What is confirmed is that CISA marked it as a known exploited vulnerability on 2026-03-16 and associated it with remediation guidance from the vendor and the KEV response timeline.

Defensive priority

High. The CISA KEV listing means this issue should be treated as urgent for exposure review, mitigation, and remediation planning, especially before the 2026-03-30 due date.

Recommended defensive actions

  • Check whether Wing FTP Server is deployed anywhere in your environment, including externally hosted or customer-managed instances.
  • Review vendor remediation guidance for CVE-2025-47813 and apply it as soon as possible.
  • If mitigations are unavailable, follow CISA’s guidance to discontinue use of the product or service.
  • Prioritize internet-facing or broadly reachable Wing FTP Server installations for validation and remediation.
  • Confirm the issue is remediated before the KEV due date of 2026-03-30.
  • Monitor for any vendor updates or revised guidance tied to CVE-2025-47813.

Evidence notes

The source corpus confirms the CVE title, the vulnerability type (information disclosure), and CISA KEV metadata including dateAdded 2026-03-16 and dueDate 2026-03-30. The corpus also references the official CVE record and NVD entry, but it does not include a CVSS score or detailed technical write-up from the vendor advisory text.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-47813 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-47813

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2025-47813 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-47813

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.