# CVE-2024-7339: DVR TD-2104TS-CL - Information Disclosure

> Live exploitation tracking for CVE-2024-7339 by the CrowdSec Live Exploit Tracker, built from real-world attack data crowdsourced from CrowdSec's global network.

Page: https://tracker.crowdsec.net/cves/CVE-2024-7339

## Key facts

- **Exploitation phase:** Limited Exploitation. The vulnerability is known but shows very limited attacker interest or exploitation activity.
- **CVSS score:** 6.9
- **Public exploit available:** Yes
- **Affected products:** TVT DVR TD-2104TS-CL, TVT DVR TD-2108TS-HP, TVT Provision-ISR DVR SH-4050A5-5L(MM), TVT AVISION DVR AV108T
- **Weaknesses:** CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)
- **Tags:** iot

## Description

A vulnerability has been found in TVT DVR TD-2104TS-CL, DVR TD-2108TS-HP, Provision-ISR DVR SH-4050A5-5L(MM) and AVISION DVR AV108T and classified as problematic. This vulnerability affects unknown code of the file /queryDevInfo. The manipulation leads to information disclosure. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-273262 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

## CrowdSec analysis

[CVE-2024-7339](https://euvd.enisa.europa.eu/vulnerability/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.

## Timeline

- 2024-08-01: CVE Published. CVE-2024-7339 is published to NVD.
- 2026-04-08: Rule Released. CrowdSec releases a rule to detect CVE-2024-7339 exploitation attempts against the CrowdSec Network.
- 2026-04-08: CrowdSec First Seen. CrowdSec observes in-the-wild exploitation of CVE-2024-7339 for the first time.

## References

- https://vuldb.com/?submit.379373
- https://netsecfish.notion.site/Sensitive-Device-Information-Disclosure-in-TVT-DVR-fad1cce703d946969be5130bf3aaac0d?pvs=4
- https://vuldb.com/?id.273262
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-7339.yaml

## Live exploitation data

The [Live Exploit Tracker page](https://tracker.crowdsec.net/cves/CVE-2024-7339) follows observed exploitation activity for CVE-2024-7339. [Request an API key](https://tracker.crowdsec.net/request-api-key) for full access to its exploitation timeline, attacking IP addresses and blocklists.
