DVR TD-2104TS-CL - Information Disclosure (CVE-2024-7339)

CVE-2024-7339 is an information disclosure vulnerability affecting several DVR models, including TVT DVR TD-2104TS-CL, TD-2108TS-HP, Provision-ISR DVR SH-4050A5-5L(MM), and AVISION DVR AV108T. The flaw resides in the /queryDevInfo endpoint, which can be exploited remotely by unauthenticated attackers to access sensitive device information. With public exploit code available and no vendor response, this vulnerability poses a risk of unauthorized data exposure that could aid in further attacks against affected DVR systems.

CrowdSec has been tracking this vulnerability and its exploits since 8th of April 2026.

Insights from the CrowdSec network reveal that the attackers trying to exploit CVE-2024-7339 are composed of a fairly even mix of opportunistic and targeted actors. Some attackers employ preliminary reconnaissance, while others use indiscriminate scanning. Telemetry from the CrowdSec network also shows that exploitation activity for CVE-2024-7339 remains steady week-over-week. Attack volumes are consistent with long-term trends, indicating sustained interest from threat actors. CVE-2024-7339 continues to be an active part of the threat landscape and will likely remain this way for the forseeable future.

Attackers exploit the /queryDevInfo endpoint by sending unauthenticated POST requests, allowing them to retrieve sensitive device information such as software versions and network configuration from exposed TVT DVR devices.