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CVE-2025-62843— QuRouter

Quick assessment

Affected
QNAP Systems Inc. QuRouter
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 QHora是中国台湾威联通科技（QNAP Systems）公司的一款路由器。 QNAP Systems QHora存在安全漏洞，该漏洞源于通信通道限制不当，可能导致物理访问的攻击者获得特权。

AI Predicted 5.9 Difficulty: Easy EPSS 0.28% · P19
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I. Basic Information for CVE-2025-62843

Vulnerability Information
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Vulnerability Title
QuRouter
Source: CVE Program / CVE List V5
Vulnerability Description
An improper restriction of communication channel to intended endpoints vulnerability has been reported to affect QHora. If an attacker gains physical access, they can then exploit the vulnerability to gain the privileges that were intended for the original endpoint. We have already fixed the vulnerability in the following version: QuRouter 2.6.3.009 and later
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N/E:U
Source: CVE Program / CVE List V5
Vulnerability Type
通信信道对预期端点的不适当限制
Source: CVE Program / CVE List V5
Vulnerability Title
QNAP Systems QHora 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QNAP Systems QHora是中国台湾威联通科技（QNAP Systems）公司的一款路由器。 QNAP Systems QHora存在安全漏洞，该漏洞源于通信通道限制不当，可能导致物理访问的攻击者获得特权。
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. QuRouter 2.6.x ~ 2.6.3.009 -

II. Public POCs for CVE-2025-62843

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III. Intelligence Information for CVE-2025-62843

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Same Patch Batch · QNAP Systems Inc. · 2026-03-20 · 11 CVEs total

CVE-2025-59383 Media Streaming Add-on
CVE-2025-62844 QuRouter
CVE-2025-62845 QuRouter
CVE-2025-62846 QuRouter
CVE-2026-22895 QuFTP Service
CVE-2026-22897 QuNetSwitch
CVE-2026-22898 QVR Pro
CVE-2026-22900 QuNetSwitch
CVE-2026-22901 QuNetSwitch
CVE-2026-22902 QuNetSwitch

IV. Related Vulnerabilities

Same product: QuRouter
Same vendor: QNAP Systems Inc.
Same weakness: CWE-923

V. Comments for CVE-2025-62843

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