Is CVE-2025-47812 actively exploited?

Yes. Previdian tracks CVE-2025-47812 as a known exploited vulnerability. Confidence is confirmed.

What exploitation activity has Previdian observed?

Previdian has not yet recorded sensor-observed exploitation attempts for CVE-2025-47812. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

CVE-2025-47812 affects Wftpserver Wing FTP Server. Reported affected version: 0 to < 7.4.4.

Yes. CVE-2025-47812 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog. Added to Previdian from a trusted third-party report 1 day before CISA listed it.

CVE-2025-47812 Exploited in the Wild — Wing FTP Server

Q: How should organizations remediate it?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Q: Is it in CISA KEV?

Yes. CVE-2025-47812 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog. Added to Previdian from a trusted third-party report 1 day before CISA listed it.

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2025-47812 is an unauthenticated vulnerability affecting Wftpserver Wing FTP Server. In Wing FTP Server before 7.4.4. the user and admin web interfaces mishandle '\0' bytes, ultimately allowing injection of...

Is it exploited?

Yes. Previdian tracks this CVE as a known exploited vulnerability. Confidence is confirmed. Listed in CISA KEV. Also confirmed by third-party sources.

Who is affected?

Wftpserver / Wing FTP Server affected before 7.4.4.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

In Wing FTP Server before 7.4.4

In Wing FTP Server before 7.4.4. the user and admin web interfaces mishandle '\0' bytes, ultimately allowing 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).

This is thus a remote code execution vulnerability that guarantees a total server compromise. This is also exploitable via anonymous FTP accounts.

Vendor Product Affected Status

wftpserver Affected

Wing FTP Server

Before 7.4.4

Affected

Published: 10 Jul 2025
Exploitation Reported: 01 Jun 2026
Attack vector: Remote
Complexity: Low
Privileges: None
User interaction: None

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2025-47812
wftpserver.com wftpserver.com · CVE Record https://www.wftpserver.com
rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cv... rcesecurity.com · CVE Record https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce...
vicarius.io/vsociety/posts/cve-2025-47812-mitigation-scr... vicarius.io · CVE Record https://www.vicarius.io/vsociety/posts/cve-2025-47812-mitigation-scri...
vicarius.io/vsociety/posts/cve-2025-47812-detection-scri... vicarius.io · CVE Record https://www.vicarius.io/vsociety/posts/cve-2025-47812-detection-scrip...

Exploitation evidence

Why Previdian marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CVE

Recorded 01 Jun 2026

A trusted third party reported exploitation.

Proof of concept available

Nuclei Templates

Recorded 12 Jun 2026

Public scanner or PoC coverage increases practical exploitability.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian Pro API.

Learn about Pro API access

Source	Added
CVE First	2026-06-01 10:36 UTC
CISA	2026-06-02 14:07 UTC
Daily CyberSecurity	2026-06-09 07:20 UTC
The Shadowserver	2026-07-08 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
User-Agents
Callback hosts: 0; 0; 0

Request targets and User-Agents available in Pro. Callback host details available in Enterprise.

Scanner coverage

Nuclei template detected 01 Jun 2026.

View Nuclei template

Virtual patch status

No Previdian virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner	Reference	Detected
Nuclei	https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-47812.yaml	01 Jun 2026

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

10.0 Critical

Potential damage if exploited. Separate from whether attackers are using it.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS

93.2%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Weaknesses

Improper Neutralization of Null Byte or NUL Character CWE-158

Recent mention · Daily CyberSecurity

17 Jun 2026

Cisco ISE Vulnerabilities: Critical RCE and Info Disclosure Flaws

Network administrators must remain vigilant as new Cisco ISE vulnerabilities have been publicly disclosed. Multiple severe flaws The post Cisco ISE Vulnerabilities: Critical RCE and Info Disclosure Flaws appeared first on Daily CyberSecurity. Related posts: Urgent: Cisco...

Read full advisory

All Mentions

Recent mention · Daily CyberSecurity

Cisco ISE Vulnerabilities: Critical RCE and Info Disclosure Flaws

Daily CyberSecurity · 17 Jun 2026

Network administrators must remain vigilant as new Cisco ISE vulnerabilities have been publicly disclosed. Multiple severe flaws The post Cisco ISE Vulnerabilities: Critical RCE and Info Disclosure Flaws appeared first on Daily CyberSecurity. Related posts: Urgent: Cisco ISE Flaws (CVSS 10.0) Actively Exploited in the Wild – Patch Immediately! Critical Wing FTP Server RCE (CVE-2025-47812) Actively Exploited In The Wild Critical 9.4 CVSS Zephyr RTOS Flaw Exposes Millions of IoT Devices to RCE

Recent mention · Daily CyberSecurity

Important Apache CXF Vulnerabilities Demand Immediate Action

Daily CyberSecurity · 13 Jun 2026

Recently, security researchers disclosed several important Apache CXF vulnerabilities. This popular open-source services framework helps developers build robust The post Important Apache CXF Vulnerabilities Demand Immediate Action appeared first on Daily CyberSecurity. Related posts: CVE-2025-58782: Apache Jackrabbit Vulnerability Exposes Systems to JNDI Injection and RCE Critical Wing FTP Server RCE (CVE-2025-47812) Actively Exploited In The Wild Broadcom Addresses Critical Vulnerabilities in VMware ESXi, Workstation, and Fusion

Recent mention · Daily CyberSecurity

New Patches Secure Critical Spring HATEOAS Flaws

Daily CyberSecurity · 12 Jun 2026

Two Severe Vulnerabilities Discovered Developers must act now to secure Java apps. The team found critical Spring HATEOAS The post New Patches Secure Critical Spring HATEOAS Flaws appeared first on Daily CyberSecurity. Related posts: Critical Wing FTP Server RCE (CVE-2025-47812) Actively Exploited In The Wild Broadcom Addresses Critical Vulnerabilities in VMware ESXi, Workstation, and Fusion Critical 9.4 CVSS Zephyr RTOS Flaw Exposes Millions of IoT Devices to RCE

Recent mention · Daily CyberSecurity

Critical Veeam Backup Vulnerability Exposed

Daily CyberSecurity · 10 Jun 2026

A critical Veeam Backup vulnerability threatens enterprise backup servers running older software versions. This severe flaw allows authenticated The post Critical Veeam Backup Vulnerability Exposed appeared first on Daily CyberSecurity. Related posts: CVE-2025-6218: WinRAR Directory Traversal Bug Opens the Door to Remote Code Execution SAP’s July 2025 Patch Day Brings 27 New Notes, Multiple Critical RCE & Deserialization Flaws (CVSS 10.0) Critical Wing FTP Server RCE (CVE-2025-47812) Actively Exploited In The Wild

Recent mention · Daily CyberSecurity

SAP Security Patch Day: Critical Security Vulnerabilities Remediated

Daily CyberSecurity · 09 Jun 2026

Large-Scale Updates Protect Enterprise Infrastructure Assets The security team managing the enterprise resource planning ecosystem released vital administrative The post SAP Security Patch Day: Critical Security Vulnerabilities Remediated appeared first on Daily CyberSecurity. Related posts: The Silent Leak: Critical 9.1 CVSS Spring Security Flaw Strips Away Vital HTTP Headers Critical Wing FTP Server RCE (CVE-2025-47812) Actively Exploited In The Wild Broadcom Addresses Critical Vulnerabilities in VMware ESXi, Workstation, and Fusion

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

Wing FTP Server <= 7.4.3 - Remote Code Execution

nuclei · Created Unknown

Timeline

From disclosure to observed exploitation

08 Jul 2026
00:00 UTC

KEV confirmed by The Shadowserver

Exploitation attested by an external source
12 Jun 2026
14:21 UTC

Public PoC available

Public proof-of-concept code published
09 Jun 2026
07:20 UTC

KEV confirmed by Daily CyberSecurity

Exploitation attested by an external source
02 Jun 2026
14:07 UTC

Added to CISA KEV

Listed in the CISA Known Exploited Vulnerabilities catalog
01 Jun 2026
15:34 UTC

Nuclei template available

Scanner coverage available
01 Jun 2026
10:36 UTC

Added to Previdian KEV Feed

High-confidence, third-party attested exploitation
10 Jul 2025
00:00 UTC

CVE published

Vulnerability disclosed publicly
10 May 2025
00:00 UTC

CVE ID reserved

Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2025-47812

Free JSON includes basic KEV fields

{
  "cve_id": "CVE-2025-47812",
  "confidence": "Confirmed",
  "cvss_score": 10.0,
  "cvss_estimated": false,
  "epss_score": 0.93235,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

CVE-2025-47812

In Wing FTP Server before 7.4.4

Tags

CVE References

Exploited in the wild

Proof of concept available

Known exploited vulnerability sources

Observed signals

Scanner coverage

Virtual patch status

Scanner Artifacts

Weaknesses

Cisco ISE Vulnerabilities: Critical RCE and Info Disclosure Flaws

All Mentions

Potential Proof of Concepts

KEV confirmed by The Shadowserver

Public PoC available

KEV confirmed by Daily CyberSecurity

Added to CISA KEV

Nuclei template available

Added to Previdian KEV Feed

CVE published

CVE ID reserved

Automate this intelligence