CVE-2026-22900

CRITICAL

QuNetSwitch < 2.0.5.0906 - Hard-Coded Credentials

Title source: manual

Description

A use of hard-coded credentials vulnerability has been reported to affect QuNetSwitch. The remote attackers can then exploit the vulnerability to gain unauthorized access. We have already fixed the vulnerability in the following version: QuNetSwitch 2.0.5.0906 and later

References (1)

Core 1

Core References

https://www.qnap.com/en/security-advisory/qsa-26-11

Scores

CVSS v3 9.8

EPSS 0.0032

EPSS Percentile 23.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-798

Status published

Products (2)

qnap/qunetswitch 2.0.1.13077 - 2.0.5.0906

QNAP Systems Inc./QuNetSwitch 2.0.x - 2.0.5.0906

Published Mar 20, 2026

Tracked Since Mar 20, 2026