(Pwn2Own) Synology BeeStation BST150-4T CRLF Injection Information Disclosure Vulnerability

April 9th, 2025
ZDI-25-211 ZDI-CAN-25613

CVE ID

CVE-2024-50629

CVSS Score

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

Affected Vendors

Synology

Affected Products

BeeStation BST150-4T

Vulnerability Details

This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of Synology BeeStation BST150-4T devices. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the parsing of HTTP requests. The issue results from the lack of proper validation of a user-supplied data before using it to prepare an HTTP response. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root.

Additional Details

Synology has issued an update to correct this vulnerability. More details can be found at:
https://www.synology.com/en-us/security/advisory/Synology_SA_24_20

Disclosure Timeline

  • 2024-12-02 - Vulnerability reported to vendor
  • 2025-04-09 - Coordinated public release of advisory
  • 2025-04-09 - Advisory Updated

Credit

Pumpkin Chang (@u1f383) and Orange Tsai (@orange_8361) from DEVCORE Research Team

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