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CVE-2026-34007: CWE-78 in QNAP Systems Inc. Notes Station 3

0
Medium
VulnerabilityCVE-2026-34007cvecve-2026-34007cwe-78
Published: 10/15/2026 (10/15/2026, 09:37:20 UTC)
Source: CVE Database V5
Vendor/Project: QNAP Systems Inc.
Product: Notes Station 3

Description

An OS command injection vulnerability has been reported to affect Notes Station 3. If exploited, the vulnerability could allow remote attackers to execute arbitrary commands. We have already fixed the vulnerability in the following version: Notes Station 3 3.9.11 and later

CVSS v4.0

Score 6.9medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
Low
Vuln. Integrity
Low
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Affected software

QNAP Systems Inc.

Notes Station 3

Affected versions
>=3.9.x <3.9.11

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/15/2026, 10:04:22 UTC

Technical Analysis

An OS command injection vulnerability (CWE-78) affects QNAP Notes Station 3, enabling remote attackers to execute arbitrary commands if exploited. The vulnerability is present in versions from 3.9.x up to but not including 3.9.11. The vendor has released a fix in version 3.9.11.

Potential Impact

Successful exploitation could allow remote attackers to execute arbitrary OS commands on the affected system, potentially leading to unauthorized control or disruption. The CVSS 4.0 base score is 6.9 (medium severity), reflecting network attack vector with no privileges or user interaction required, but with low to limited confidentiality, integrity, and availability impact.

Mitigation Recommendations

Upgrade Notes Station 3 to version 3.9.11 or later to remediate this vulnerability. No other mitigation steps are indicated by the vendor.

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Technical Details

Data Version
5.2
Assigner Short Name
qnap
Date Reserved
2026-03-25T06:18:24.663Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6ad0a18a2cdf04f65621d7a2

Added to database: 10/15/2026, 09:48:58 UTC

Last enriched: 10/15/2026, 10:04:22 UTC

Last updated: 10/15/2026, 19:00:27 UTC

Views: 15

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