Advisory Details

January 15th, 2024

Synology RT6600ax Qualcomm LDB Service Improper Input Validation Remote Code Execution Vulnerability

ZDI-24-072
ZDI-CAN-19708

CVE ID CVE-2024-21473
CVSS SCORE 7.5, AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Synology
AFFECTED PRODUCTS RT6600ax
VULNERABILITY DETAILS

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology RT6600ax routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the Qualcomm LDB service. The issue results from the lack of proper validation of user-supplied data prior to further processing. An attacker can leverage this vulnerability to execute code in the context of root.
ADDITIONAL DETAILS

Qualcomm fixed the issue in a customer-only security update on January 1st, 2024.
DISCLOSURE TIMELINE
  • 2022-12-02 - Vulnerability reported to vendor
  • 2024-01-15 - Coordinated public release of advisory
  • 2024-01-16 - Advisory Updated
CREDIT Claroty Research - Vera Mens, Noam Moshe, Uri Katz, Sharon Brizinov
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