CVE-2026-22897Network attack vector

Unauthenticated command execution via undisclosed injection

Published Mar 20, 2026 · Updated Mar 20, 2026

Command injection in QNAP QuNetSwitch 2.0.x allows remote attackers to execute arbitrary commands through its management service. QNAP has not disclosed the affected endpoint, parameter, or unsafe command-building operation that handles attacker-controlled input. The network path requires no privileges or user interaction, and successful exploitation gives command execution on the switch appliance.

CVSS severity9.8
Critical
EPSS probability1.06%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Command injection in QNAP QuNetSwitch 2.0.x allows remote attackers to execute arbitrary commands through its management service. QNAP has not disclosed the affected endpoint, parameter, or unsafe command-building operation that handles attacker-controlled input. The network path requires no privileges or user interaction, and successful exploitation gives command execution on the switch appliance.

The record

CVE
CVE-2026-22897
Published
Mar 20, 2026
Updated
Mar 20, 2026
Vendor
Linn Products Limited
Product
QuNetSwitch
Classifications
CWE-78, T1059
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 20, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 20, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.0.x <2.0.4.0415

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Linn Products Limited · QuNetSwitchversion=2.0.x <2.0.4.0415

Published CVSS scores

9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.1QNAP Systems, Inc.CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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