Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2025-27889

24
FAUCET Score

CVE-2025-27889 is a critical vulnerability affecting Wing FTP Server versions prior to 7.4.4, stemming from improper validation of the 'url' parameter in the downloadpass.html endpoint. This allows for arbitrary link injection, leading to cleartext password disclosure if a user clicks a crafted link. With a CVSS score of 8.8 (HIGH), the vulnerability is network-exploitable with low attack complexity, requiring user interaction, and can result in high impact to confidentiality, integrity, and availability. While there is no public exploit code or KEV listing, the vulnerability has garnered significant community discussion and media coverage, including reports of active exploitation by hackers.

Impacted Technologies

VendorProductVersion(s)CPE
< 7.4.4CPE matchmatch criteria
cpe:2.3:a:wftpserver:wing_ftp_server:*:*:*:*:*:*:*:*
>= 0, < 7.4.4CPE match
cpe:2.3:a:wftpserver:wing_ftp_server:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.4LOW

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.41%
Probability of exploitation in next 30 days
EPSS Percentile
33.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0041 is in the 37th percentile among its peer group of 14,855 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / MrTuxracer/advisories/blob/master/CVEs/CVE-2025-27889.txt
ExploitThird Party Advisory
rcesecurity.com / 2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812
ExploitThird Party Advisory
wftpserver.com / wftpserver.htm
Broken Link