CVE-2024-7339: TVT DVR TD-2104TS-CL queryDevInfo information disclosure

Is it exploited?

Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of 29 Oct 2026.

VulnCheck KEV lists it since 14 Sep 2024. It cites 326 public reports, the first from 14 Sep 2024.

• dashboard.shadowserver.org
• dashboard.shadowserver.org
• dashboard.shadowserver.org

How likely is exploitation in the next 30 days?

32%

EPSS score, percentile 98.3 of all scored records. A probability estimated by FIRST, not a report of exploitation.

CISA's SSVC assessment in the CVE record lists exploitation as poc.

How severe?

6.9 Medium

CVSS v4.0 base score, given by the CNA

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

• 1.3.3.20657B180918.D06.U2(4A41T)
• 1.3.4.22966B181219.D00.U1(4A21S)
• 1.3.4.22966B181219.D14.U1(8A41T)
• 1.3.4.22966B181219.D44.U1(16A82T)
• 1.3.4.24513B190218.D00.U1(8A21S)
• 1.3.4.24879B190222.D00.U2(8A21S)

and 18 more in the table below

Versions by product

Source: CISA KEV 2026.10.29, as of 29 Oct 2026; VulnCheck KEV, as of 30 Oct 2026; FIRST EPSS, as of 30 Oct 2026; CVE List, as of 30 Oct 2026. About the data.

Description

TVT DVR TD-2104TS-CL queryDevInfo information disclosure

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.

Source: CVE List, as of 30 Oct 2026. About the data.

What to do

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

This summary is based on the CVE record as of 30 Oct 2026. Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

Source: CVE List, as of 30 Oct 2026. About the data.

Timeline

Known exploited TVT vulnerabilities

• CVE-2019-20085: TVT NVMS-1000 Directory Traversal Vulnerability (added 3 Nov 2021)