CVE-2026-39997
Unauthenticated Remote Input Injection in QNAP HD Station's remotepad
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
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Unauthenticated Remote Input Injection in QNAP HD Station's remotepad
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
- Record
CVE-2026-39997- CVSS 4.0
- 8.9 High
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 - Weakness
- CWE-306
- Updated
- 2026-11-02
EUVDEUVD-2026-101988
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
- Record
EUVD-2026-101988- CVSS 4.0
- 8.9 High
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-cpw3-6qgh-mmpq
A missing authentication for critical function vulnerability has been reported to affect...
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
- Record
GHSA-cpw3-6qgh-mmpq- CVSS 4.0
- 8.9 High
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-306
- Updated
- 2026-11-02
NVD
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
- Record
CVE-2026-39997- CVSS 4.0
- 8.9 High
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-306
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-39997 is a high vulnerability (CVSS 8.9) in Qnap Systems Inc. Hybriddesk Station, published October 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.24%, the 15th percentile. No source names a fixed version.