CVE-2025-27889
Wing FTP Server URL Parameter Injection
Description
Wing FTP Server before 7.4.4 does not properly validate and sanitize the url parameter of the downloadpass.html endpoint, allowing injection of an arbitrary link. If a user clicks a crafted link, this discloses a cleartext password to the attacker.
INFO
Published Date :
July 10, 2025, 5:15 p.m.
Last Modified :
July 17, 2025, 1:31 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update Wing FTP Server to version 7.4.4 or later.
- Validate and sanitize the url parameter.
- Ensure proper handling of download requests.
Public PoC/Exploit Available at Github
CVE-2025-27889 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-27889.
| URL | Resource |
|---|---|
| https://github.com/MrTuxracer/advisories/blob/master/CVEs/CVE-2025-27889.txt | Exploit Third Party Advisory |
| https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/ | Exploit Third Party Advisory |
| https://www.wftpserver.com/wftpserver.htm | Broken Link |
| https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/ | Exploit Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-27889 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-27889
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Security Advisories
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-27889 vulnerability anywhere in the article.
-
BleepingComputer
Hackers are exploiting critical RCE flaw in Wing FTP Server
Hackers have started to exploit a critical remote code execution vulnerability in Wing FTP Server just one day after technical details on the flaw became public. The observed attack ran multiple enume ... Read more
The following table lists the changes that have been made to the
CVE-2025-27889 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jul. 17, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:wftpserver:wing_ftp_server:*:*:*:*:*:*:*:* versions up to (excluding) 7.4.4 Added Reference Type MITRE: https://github.com/MrTuxracer/advisories/blob/master/CVEs/CVE-2025-27889.txt Types: Exploit, Third Party Advisory Added Reference Type CISA-ADP: https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/ Types: Exploit, Third Party Advisory Added Reference Type MITRE: https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/ Types: Exploit, Third Party Advisory Added Reference Type MITRE: https://www.wftpserver.com/wftpserver.htm Types: Broken Link -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 10, 2025
Action Type Old Value New Value Added Reference https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/ -
New CVE Received by [email protected]
Jul. 10, 2025
Action Type Old Value New Value Added Description Wing FTP Server before 7.4.4 does not properly validate and sanitize the url parameter of the downloadpass.html endpoint, allowing injection of an arbitrary link. If a user clicks a crafted link, this discloses a cleartext password to the attacker. Added CVSS V3.1 AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N Added CWE CWE-15 Added Reference https://github.com/MrTuxracer/advisories/blob/master/CVEs/CVE-2025-27889.txt Added Reference https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/ Added Reference https://www.wftpserver.com/wftpserver.htm