CVE-2026-39997 PUBLISHED

Unauthenticated Remote Input Injection in QNAP HD Station's remotepad

Assigner: qnap
Reserved: 08.04.2026 Published: 15.10.2026 Updated: 15.10.2026

A missing authentication for critical function vulnerability has been reported to affect HybridDesk Station. If exploited, the vulnerability could allow remote attackers to gain access to the system.

We have already fixed the vulnerability in the following version: HybridDesk Station 4.2.22 and later

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score: 8.9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Adjacent	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	Present	Availability	High	Availability	High
Privileges Required	None
User Interaction	Passive

CVSS 4.0

Product Status

Vendor	QNAP Systems Inc.
Product	HybridDesk Station
Versions	Default: unaffected affected from 4.2.x to 4.2.22 (excl.)

Solutions

We have already fixed the vulnerability in the following version: HybridDesk Station 4.2.22 and later

Credits

이준호 finder

References

https://www.qnap.com/en/app-release-notes?keyword=HybridDesk%20Station&app=HD_Station&product-line=nas

Problem Types

CWE-306 CWE

Impacts

CAPEC-115