Advisory Details

March 30th, 2026

(Pwn2Own) QNAP QHora-322 login.newAuthMiddleware.Authenticator Authentication Bypass Vulnerability

CVE ID	CVE-2025-62844
CVSS SCORE	5.6, AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
AFFECTED VENDORS	QNAP
AFFECTED PRODUCTS	QHora-322
VULNERABILITY DETAILS	This vulnerability allows remote 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 handling of the qurouter_token parameter provided to the login.newAuthMiddleware.Authenticator endpoint. The issue results from allowing a user to authenticate using an arbitrary QCloud account. An attacker can leverage this in conjunction with other vulnerabilities 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-26-12
DISCLOSURE TIMELINE	2025-11-18 - Vulnerability reported to vendor 2026-03-30 - Coordinated public release of advisory 2026-03-30 - Advisory Updated
CREDIT	Bongeun Koo (@kiddo_pwn) and Evangelos Daravigkas (@freddo_1337) of Team DDOS

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