CVE-2026-3100

published 2026-02-25

CVE-2026-3100: The FTP Backup on the ADM will not properly strictly enforce TLS certificate verification while connecting to an FTP server using FTPES/FTPS. An improper…

Priority P3 41 medium 6.5 CVSS 3.1

AV N AC H PR N UI N S U C H I L A N

The FTP Backup on the ADM will not properly strictly enforce TLS certificate verification while connecting to an FTP server using FTPES/FTPS. An improper validated TLS/SSL certificates allows a remote attacker can intercept network traffic to perform a Man-in-the-Middle (MitM) attack, which may intercept, modify, or obtain sensitive information such as authentication credentials and backup data.
Affected products and versions include: from ADM 4.1.0 through ADM 4.3.3.ROF1 as well as from ADM 5.0.0 through ADM 5.1.2.RE51.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
asustor	adm	4.1.0 – 4.3.3.ROF1	—
asustor	adm	5.0.0 – 5.1.2.RE51	—
asustor	data_master	4.1.0.rhu2 – 4.3.3.rof1	—
asustor	data_master	>= 5.0.0.ra82 < 5.1.2.reo1	5.1.2.reo1

CVSS provenance

nvd v3.1 6.5 MEDIUM CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

nvd v4.0 8.3 HIGH CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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CWE-295