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

criticalknown exploitedpublic exploitCVE-2025-47813
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Wing FTP Server contains a generation of error message containing sensitive information vulnerability when using a long value in the UID cookie.

CSIRTS triage

vendor: Wing FTPproduct: Wing FTP ServerInformation disclosure
What
Wing FTP Server contains a generation of error message containing sensitive information vulnerability when using a long value in the UID cookie.
Who is affected
Users of Wing FTP Server are affected.
Urgency
Remediation is urgent due to critical severity and active exploitation.
Action
Update Wing FTP Server to the latest version.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2026-03-16
Exploitation
Observed in the wild (CISA KEV)

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

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2025-47813coverage & exploitation statusNVD · CVE.org

Recent advisories for Wing FTP Server

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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