CVE-2026-102727
FTP Passive Data Connection Not Bound to the Authenticated Control Peer
CVSS Score
0.0
EPSS Score
0.2%
EPSS Percentile
9th
In Eclipse ThreadX NetX Duo versions 6.0 through 6.5.2.202603a, the FTP server accepts the first connection to a passive data port without checking that it comes from the client that requested passive mode. An unauthenticated network attacker who connects to the predictable port first receives the file an authenticated user downloads, or supplies the content of the file the user uploads.
| CWE | CWE-923 |
| Vendor | eclipse foundation |
| Product | eclipse threadx netx duo |
| Published | Sep 29, 2026 |
| Last Updated | Nov 4, 2026 |
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Affected Versions
Eclipse Foundation / Eclipse ThreadX NetX Duo
6.0 ≤ 6.5.2.202603a
References
Credits
VulnCheck max-r-b enitmar Frédéric Desbiens