CVE-2026-22900— QuNetSwitch
Quick assessment
Affected
QNAP Systems Inc. QuNetSwitch
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
QNAP Systems QuNetSwitch是中国台湾威联通科技（QNAP Systems）公司的一款提供交换机集中管理与网络配置监控能力的网络管理软件。 QNAP Systems QuNetSwitch 2.0.5.0906之前版本存在信任管理问题漏洞，该漏洞源于使用硬编码凭证，可能导致未经授权的访问。
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I. Basic Information for CVE-2026-22900
Vulnerability Information
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Vulnerability Title
QuNetSwitch
Source: CVE Program / CVE List V5
Vulnerability 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
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的凭证
Source: CVE Program / CVE List V5
Vulnerability Title
QNAP Systems QuNetSwitch 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QNAP Systems QuNetSwitch是中国台湾威联通科技（QNAP Systems）公司的一款提供交换机集中管理与网络配置监控能力的网络管理软件。 QNAP Systems QuNetSwitch 2.0.5.0906之前版本存在信任管理问题漏洞，该漏洞源于使用硬编码凭证，可能导致未经授权的访问。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| QNAP Systems Inc. | QuNetSwitch | 2.0.x ~ 2.0.5.0906 | - |
|
II. Public POCs for CVE-2026-22900
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · QNAP Systems Inc. · 2026-03-20 · 11 CVEs total
| CVE-2025-59383 | Media Streaming Add-on | |
| CVE-2025-62843 | QuRouter | |
| CVE-2025-62844 | QuRouter | |
| CVE-2025-62845 | QuRouter | |
| CVE-2025-62846 | QuRouter | |
| CVE-2026-22895 | QuFTP Service | |
| CVE-2026-22897 | QuNetSwitch | |
| CVE-2026-22898 | QVR Pro | |
| CVE-2026-22901 | QuNetSwitch | |
| CVE-2026-22902 | QuNetSwitch |
IV. Related Vulnerabilities
V. Comments for CVE-2026-22900
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