Cyber Posture

CVE-2026-22897

Critical

Published: 20 March 2026

Published
20 March 2026
Modified
25 March 2026
KEV Added
—
Patch
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CVSS Score 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0039 59.9th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Description

A command injection vulnerability has been reported to affect QuNetSwitch. The remote attackers can then exploit the vulnerability to execute arbitrary commands. We have already fixed the vulnerability in the following version: QuNetSwitch 2.0.4.0415 and later

Mitigating Controls (NIST 800-53 r5)AI

SI-2 Flaw Remediation good match
prevent

Directly mitigates CVE-2026-22897 by requiring timely flaw remediation through patching to QuNetSwitch version 2.0.4.0415 or later.

SI-10 Information Input Validation good match
prevent

Prevents command injection exploitation by validating remote inputs to block arbitrary command execution payloads.

SI-4 System Monitoring partial match
detect

Detects ongoing or successful command injection attacks by monitoring for indicators of unauthorized command execution on the system.

Security SummaryAI

CVE-2026-22897 is a command injection vulnerability (CWE-78) affecting QuNetSwitch, a component from QNAP. Published on 2026-03-20, it carries a CVSS v3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), indicating critical severity due to its potential for high-impact remote exploitation. The flaw allows remote attackers to execute arbitrary commands on affected systems.

Remote, unauthenticated attackers can exploit this vulnerability over the network with low complexity and no user interaction required. Successful exploitation grants attackers the ability to run arbitrary commands, potentially leading to full system compromise with high confidentiality, integrity, and availability impacts.

QNAP's security advisory (QSA-26-11) confirms the issue has been addressed in QuNetSwitch version 2.0.4.0415 and later, recommending immediate upgrades to mitigate the risk.

Details

CWE(s)
CWE-78

Affected Products

qnap
qunetswitch
2.0.1.13077 — 2.0.4.0415

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1059.004 Unix Shell Execution
Adversaries may abuse Unix shell commands and scripts for execution.
attack.mitre.org →
Why these techniques?

CVE enables remote exploitation of a public-facing application (T1190) via command injection, directly facilitating arbitrary Unix shell command execution (T1059.004) on Linux-based QNAP systems.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

References