Is CVE-2025-62843 actively exploited?

CVE-2025-62843 has no public evidence of in-the-wild exploitation as of 2026-04-14.

What is the CVSS score for CVE-2025-62843?

CVE-2025-62843 has a CVSS score of 0.9 (LOW severity). Vector: 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

How do I patch CVE-2025-62843?

Patch guidance is available from qnap security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-62843.

CVE-2025-62843 - remediation guidance & executive summary

Q: Which products are affected by CVE-2025-62843?

4 products: qnap qurouter, qnap qurouter, qnap qurouter, qnap qurouter.

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

CVSS Metrics

Vector: 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector: physical
Complexity: low
Privileges: none
User Action: none
Confidentiality: undefined
Integrity: undefined
Availability: undefined
Weaknesses: CWE-923

Metadata

Primary Vendor: QNAP
Published: 3/20/2026
Last Modified: 4/14/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

qnap : qurouterqnap : qurouterqnap : qurouterqnap : qurouter

Remediation Guidance

Executive Summary

Cite this page

CVE-2025-62843. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2025-62843

View on NIST NVD

CVE-2025-62843 vulnerability