Body Background
TrendAI™ Zero Day Initiative™ Logo

(Pwn2Own) QNAP QHora-322 Improper Restriction of Communication Channel to Intended Endpoints Vulnerability

July 31st, 2025

Vulnerability Details

This vulnerability allows network-adjacent attackers to access the management interface on affected installations of QNAP QHora-322 routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the configuration of the management interface. The issue results from exposing the management interface on the WAN side of the router over IPv6. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of admin.

Additional Details

QNAP has issued an update to correct this vulnerability. More details can be found at:
https://www.qnap.com/en-us/security-advisories

Disclosure Timeline

  • 2024-12-16 - Vulnerability reported to vendor
  • 2025-07-31 - Coordinated public release of advisory
  • 2025-07-31 - Advisory Updated

Credit

Chris Anastasio @mufinnnnnnn & Fabius Watson

Back to Advisories

Hero Background

Stand at the front line of proactive security

Trend ZDI connects the experts who discover, remediate, and defend.
Add your voice to the work that pushes attackers back.