Critical (9.8) in westerndigital. EPSS 36% chance of exploitation in the next 30 days.
A vulnerability in the FTP service of Western Digital My Cloud OS 5 devices running firmware versions prior to 5.26.119 allows an attacker to read and write arbitrary files. This could lead to a full NAS compromise and would give remote execution capabilities to the attacker.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
36% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)