(Pwn2Own) QNAP QHora-322 IPMI Use of Weak Credentials Authentication Bypass Vulnerability

July 31st, 2025
ZDI-25-734 ZDI-CAN-25633

CVE ID

CVSS Score

6.3 AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected Vendors

QNAP

Affected Products

QHora-322

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 IPMI interface. The issue results from the use of the WAN MAC address as a default password. An attacker can leverage this vulnerability to bypass authentication on the remote management interface.

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

  • 2024-12-02 - Vulnerability reported to vendor
  • 2025-07-31 - Coordinated public release of advisory
  • 2025-07-31 - Advisory Updated

Credit

Sina Kheirkhah (@SinSinology) of Summoning Team (@SummoningTeam)

Back to Advisories