CVE-2026-39993highCWE-23

CVE-2026-39993: high-severity vulnerability in QNAP Systems Inc. Download Station

Path Traversal to Root RCE in QNAP Download Station via Addon/Search addon Parameter

Published

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.7epss 0.4%
A relative path traversal vulnerability has been reported to affect Download Station. If a remote attacker gains a user account, they can then exploit the vulnerability to read the contents of unexpected files or system data. We have already fixed the vulnerability in the following version: Download Station 5.10.2.313 and later Download Station 5.11.3.322 and later
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
QNAP Systems Inc. · Download Station
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