(0Day) (Pwn2Own) Lorex 2K Indoor Wi-Fi Security Camera CDeviceOperator Format String Remote Code Execution Vulnerability

July 8th, 2026

Vulnerability Details

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Lorex 2K Indoor Wi-Fi Security Cameras. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the parsing of JSON requests in the sonia binary. The issue results from the lack of proper validation of a user-supplied string before using it as a format specifier. An attacker can leverage this vulnerability to execute code in the context of root.

Additional Details

07/08/25 - ZDI submitted the report to the vendor
09/03/25 - ZDI followed up requesting a status update
03/12/26 - ZDI asked the vendor to confirm if the issue was fixed in the latest version
06/25/26 - the vendor communicated that the fix was in progress
06/26/26 - ZDI notified the vendor of the intention to publish the case as a 0-day advisory
-- Mitigation: Given the nature of the vulnerability, the only salient mitigation strategy is to restrict interaction with the product


Disclosure Timeline

  • 2025-07-08 - Vulnerability reported to vendor
  • 2026-07-08 - Coordinated public release of advisory
  • 2026-07-08 - Advisory Updated

Credit

PHP Hooligans / Midnight Blue

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