CVE-2026-22901

CRITICAL

A command injection vulnerability has been reported to affect QuNetSwitch. If a remote attacker gains a user account, they can then exploit the vulnerability to execute arbitrary commands. We have...

Affects 1 product across 1 vendor.

BCS7.12
CVSS 3.19.8
CVSS v46.3
EPSS0.9%
Percentile58th
PatchPatched
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-78: OS Command Injection

Attacker injects OS commands through application inputs passed to system() or equivalent calls, leading to arbitrary command execution.

Related Attack Patterns (CAPEC)
CAPEC-43 Exploiting Multiple Input Interpretation Layers
via CWE-78
CAPEC-108 Command Line Execution through SQL Injection
via CWE-78
CAPEC-6 Argument Injection
via CWE-78
CAPEC-15 Command Delimiters
via CWE-78
CAPEC-88 OS Command Injection
via CWE-78

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ SAGE Intelligence — CITED Relevance Research Team

A command injection vulnerability in QuNetSwitch allows a remote attacker with a user account to execute arbitrary commands, posing a significant security risk.

BSID: BS-2026-GLOBAL-070197-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

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Frequently Asked Questions
What is CVE-2026-22901?
A command injection vulnerability in QuNetSwitch allows a remote attacker with a user account to execute arbitrary commands, posing a significant security risk.
What is the CVSS score for CVE-2026-22901?
CVE-2026-22901 has CVSS 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS: 0.9%.
Is CVE-2026-22901 actively exploited?
No confirmed active exploitation of CVE-2026-22901 as of 2026-05-30.
How do I remediate CVE-2026-22901?
Priority: IMMEDIATE. Advisory: https://www.qnap.com/en/security-advisory/qsa-26-11 PSIRT: [email protected]
What systems are affected by CVE-2026-22901?
CVE-2026-22901 affects: Qnap.
Vulnerability Details
CVE IDCVE-2026-22901
BSIDBS-2026-GLOBAL-070197-C BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published2026-03-20
Last Modified2026-03-25
ICS Relevance70%
Weakness (CWE)
OS Command Injection
SourceNVD
Official Description

A command injection vulnerability has been reported to affect QuNetSwitch. If a remote attacker gains a user account, they can then exploit the vulnerability to execute arbitrary commands. We have already fixed the vulnerability in the following version: QuNetSwitch 2.0.5.0906 and later

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

The vulnerability arises from improper validation of user input, enabling an attacker to inject malicious commands that are executed with the privileges of the application.

Exploitation Likelihood: HIGH

Affected Products
VendorProductFixed Version
Qnap Qunetswitch —
Remediation
View Vendor Advisory →

Remediation Priority: IMMEDIATE

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: July 2026 | Threat Age: 127 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
SAGE Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
SHA-512 Audit Hash600d1560ccade44173769c93b0c49612afd9f5d195324c3b1a0b34d2be6c64c7071d89bbecf068547d388bc4969343f753597fdf94f13e60087d0c405e7bd6ac
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