Improper Communication Channel Restriction in QHora by QNAP
CVE-2025-62843

0.9LOW

Key Information:

Vendor

QNAP
Status
Qurouter
Vendor
CVE Published:
20 March 2026

What is CVE-2025-62843?

A vulnerability in QNAP's QHora product has been identified, where improper restrictions on communication channels allow an attacker with physical access to exploit the system. This could lead to unauthorized privilege escalation, compromising the security of the device intended for legitimate endpoint usage. It is crucial to upgrade to QuRouter version 2.6.3.009 or later to mitigate this risk.

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Affected Version(s)

QuRouter 2.6.x < 2.6.3.009

References

https://www.qnap.com/en/security-advisory/qsa-26-12

CVSS V4

Score:
0.9
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Physical
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Pwn2Own 2025 - Team DDOS
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