High (7.2) in qnap. EPSS 0.9% chance of exploitation in the next 30 days.
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute code via a network.
We have already fixed the vulnerability in the following versions:
QTS 5.0.1.2514 build 20230906 and later
QTS 5.1.2.2533 build 20230926 and later
QuTS hero h5.0.1.2515 build 20230907 and later
QuTS hero h5.1.2.2534 build 20230927 and later
Severity
CVSS 3.1
7.2 high
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
0.9% chance of exploitation in the next 30 days; higher than 58% of CVEs (scores of 2026-10-31)