CVERadar
MEDIUM · CVSS 3.1 4.3CISA KEV · added 2026-03-16EPSS 62.51% (p99)Threat level 55

CVE-2025-47813: Wing FTP Server Information Disclosure Vulnerability

Wing FTP Server · Wing FTP Server · NVD published 2025-07-10 · posted 2026-03-16 · last modified 2026-06-17

What it is

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.

WeaknessCWE-209
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N (source: [email protected])
CISA due date2026-03-30 (for US federal agencies under BOD; a good deadline for everyone)
ATT&CK tacticsn/a

Exploitation evidence

First exploit evidence seen: 2026-03-16 (earliest date across the sources below).

Exploited in the wild

  • CISA KEV: listed since 2026-03-16. Source

Sources: CISA KEV.

No ATT&CK techniques could be mapped or inferred for this CVE yet.

How to fix it

CISA 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. (source: CISA KEV)

Fixed versions

  • wftpserver wing ftp server: upgrade to 7.4.4 or later

Derived from the NVD CPE configuration (versionEndExcluding / versionEndIncluding). Always confirm with the vendor advisory.

Vendor advisories and patches

Detection Generic guidance

    Response checklist Generic guidance

    1. Inventory: find every instance of the affected product and version (include internet-facing and forgotten ones).
    2. Patch or mitigate per the vendor advisory; if you cannot patch, remove internet exposure or apply the vendor workaround.
    3. Assume compromise if the system was exposed before patching: hunt for the indicators in the advisory and review logs back to the disclosure date.
    4. Rotate credentials and secrets stored on or used by the affected system if compromise cannot be ruled out.

    Sources