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CISA Flags Actively Exploited Wing FTP Vulnerability: What You Need to Know

CISA Flags Actively Exploited Wing FTP Vulnerability: What You Need to Know
CISA Flags Actively Exploited Wing FTP Vulnerability: What You Need to Know
Cybersecurity & Privacy - Mar 17, 2026


On Monday, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a new entry to its Known Exploited Vulnerabilities (KEV) catalog, highlighting a medium-severity security flaw in Wing FTP. This vulnerability, identified as CVE-2025-47813, has been confirmed to be actively exploited in the wild, prompting immediate attention from cybersecurity professionals.


The vulnerability carries a CVSS score of 4.3, which classifies it as medium severity. It is categorized as an information disclosure vulnerability, which means that under certain conditions, it can leak sensitive information, specifically the installation path of the Wing FTP application.

CISA stated, "Wing FTP Server contains a generation of error messages containing sensitive information vulnerability when using a long value in the UID cookie." This means that when an attacker manipulates the UID cookie in a specific way, it could lead to the exposure of the installation path, potentially allowing for further attacks or exploitation.


For organizations using Wing FTP, this vulnerability could pose significant risks. The leaked installation path can provide attackers with crucial information that may aid in crafting targeted attacks or exploiting other vulnerabilities within the system.


To mitigate the risks associated with CVE-2025-47813, CISA recommends that organizations take the following actions:

  • Update Wing FTP: Ensure that you are using the latest version of Wing FTP, as updates may contain patches for this vulnerability.
  • Monitor for Suspicious Activity: Keep an eye on logs and network traffic for any unusual behavior that might indicate exploitation attempts.
  • Educate Staff: Inform your team about the vulnerability and encourage them to report any suspicious activities related to your FTP server.


As cyber threats continue to evolve, it is crucial for organizations to remain vigilant and proactive in securing their systems. The recent identification of CVE-2025-47813 in the Wing FTP server serves as a reminder of the importance of regular updates and monitoring. Stay informed and take the necessary steps to protect your infrastructure from potential exploits.

What this means for your business

Technology news is most useful when it helps you decide what to change in your own environment. Use this Knowledge Center article as a practical briefing: identify whether the issue affects your stack, who on your team should own follow-up, and what evidence you need before you commit budget or vendor changes.

For topics related to Cybersecurity & Privacy, TechPam recommends documenting current controls, confirming patch and backup status, and reviewing access paths that expose customer or employee data. Even when a story is about another company, the same failure patterns often appear in small and mid-sized businesses that run lean IT teams.

If your organization needs help translating this update into an action plan, our team can review your current tools, prioritize risks, and propose a short remediation or improvement roadmap. Start with the newest posts in the Knowledge Center or contact TechPam to discuss cybersecurity, infrastructure, software delivery, or digital media support.

Related reading helps teams stay current without drowning in alerts. Bookmark this page, share it with stakeholders who approve security or IT spend, and pair it with a short internal checklist so recommendations turn into tracked work instead of unread headlines.

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