Critical (9.9) in qnap myqnapcloud link. EPSS 0.4% chance of exploitation in the next 30 days.
A missing authentication for critical function vulnerability has been reported to affect myQNAPcloud Link. If exploited, the vulnerability could allow users with the privilege level of some functionality via a network.
We have already fixed the vulnerability in the following version:
myQNAPcloud Link 2.4.51 and later
Severity
CVSS 3.1
9.9 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:L
EPSS
0.4% chance of exploitation in the next 30 days; higher than 36% of CVEs (scores of 2026-10-31)