Advisory Details

July 31st, 2025

(Pwn2Own) QNAP TS-464 reset_password.cgi Improper Certificate Validation Information Disclosure Vulnerability

ZDI-25-745
ZDI-CAN-25644

CVE ID
CVSS SCORE 5.3, AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
AFFECTED VENDORS QNAP
AFFECTED PRODUCTS TS-464
VULNERABILITY DETAILS

This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of QNAP TS-464 devices. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the reset_password.cgi endpoint. The issue results from the lack of proper validation of the certificate presented by a server. An attacker can leverage this vulnerability to disclose information in the context of the device.

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 @quangnh89 and @ExLuck99
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