Critical (9.8) in westerndigital my cloud firmware. EPSS 6.1% chance of exploitation in the next 30 days.
Addressed remote code execution vulnerability in reg_device.php due to insufficient validation of user input.in Western Digital My Cloud Devices prior to 5.4.1140.
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
6.1% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-31)