(Pwn2Own) QNAP QHora-322 miro_webserver_controllers_api_login_singIn Authentication Bypass Vulnerability
Vulnerability Details
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of QNAP QHora-322 routers. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the miro_webserver_controllers_api_login_singIn function. The issue results from allowing a user to authenticate using an arbitrary QCloud account. An attacker can leverage this vulnerability to bypass authentication on the system.
Additional Details
QNAP has issued an update to correct this vulnerability. More details can be found at:
https://www.qnap.com/en/security-advisory/qsa-25-15
Disclosure Timeline
- 2024-12-13 - Vulnerability reported to vendor
- 2026-03-30 - Coordinated public release of advisory
- 2026-03-30 - Advisory Updated
Credit
nella17 (@nella17tw), working with DEVCORE Internship Program, and DEVCORE Research Team
