CVE-2024-7339Public exploitNetwork attack vector

Device information disclosure via unauthenticated queryDevInfo endpoint

Published Aug 1, 2024 · Updated Aug 7, 2024

Information disclosure in TVT DVR firmware allows remote attackers to read device details through the unauthenticated /queryDevInfo endpoint. The endpoint returns sensitive device information without authenticating the requester or enforcing access control. The flaw is remotely reachable without user interaction, and published evidence limits the reported impact to confidentiality.

CVSS severity5.3
Medium
EPSS probability32.03%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in TVT DVR firmware allows remote attackers to read device details through the unauthenticated /queryDevInfo endpoint. The endpoint returns sensitive device information without authenticating the requester or enforcing access control. The flaw is remotely reachable without user interaction, and published evidence limits the reported impact to confidentiality.

The record

CVE
CVE-2024-7339
Published
Aug 1, 2024
Updated
Aug 7, 2024
Vendor
Shenzhen TVT Digital Technology Co., Ltd.
Product
TD-2108TS-HP
Classifications
CWE-200, T1592
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 1, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 7, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.3.3.20657B180918.D06.U2(4A41T)
  2. Affected versionversion=1.3.4.22966B181219.D00.U1(4A21S)
  3. Affected versionversion=1.3.4.22966B181219.D14.U1(8A41T)
  4. Affected versionversion=1.3.4.22966B181219.D44.U1(16A82T)
  5. Affected versionversion=1.3.4.24513B190218.D00.U1(8A21S)
  6. Affected versionversion=1.3.4.24879B190222.D00.U2(8A21S)

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Shenzhen TVT Digital Technology Co., Ltd. · TD-2108TS-HPversion=1.3.3.20657B180918.D06.U2(4A41T); version=1.3.4.22966B181219.D00.U1(4A21S); version=1.3.4.22966B181219.D14.U1(8A41T); version=1.3.4.22966B181219.D44.U1(16A82T); version=1.3.4.24513B190218.D00.U1(8A21S); version=1.3.4.24879B190222.D00.U2(8A21S)
Shenzhen TVT Digital Technology Co., Ltd. · DVR TD-2018TS-HPversion=1.3.3.20657B180918.D06.U2\/4A41T\/; version=1.3.4.22966B181219.D00.U1\/4A21S\/; version=1.3.4.22966B181219.D14.U1\/8A41T\/; version=1.3.4.22966B181219.D44.U1\/16A82T\/; version=1.3.4.24513B190218.D00.U\/(8A21S\/; version=1.3.4.24879B190222.D00.U2\/8A21S\/
Shenzhen TVT Digital Technology Co., Ltd. · Provision-ISR DVR SH-4050A5-5L(MM)version=1.3.3.20657B180918.D06.U2(4A41T); version=1.3.3.20657B180918.D06.U2\/4A41T\/; version=1.3.4.22966B181219.D00.U1(4A21S); version=1.3.4.22966B181219.D00.U\/(4A21S\/; version=1.3.4.22966B181219.D14.U1(8A41T); version=1.3.4.22966B181219.D14.U1\/8A41T\/; version=1.3.4.22966B181219.D44.U1(16A82T); version=1.3.4.22966B181219.D44.U1\/16A82T\/; version=1.3.4.24513B190218.D00.U1(8A21S); version=1.3.4.24513B190218.D00.U1\/8A21S\/; version=1.3.4.24879B190222.D00.U2(8A21S); version=1.3.4.24879B190222.D00.U2\/8A21S\/
Shenzhen TVT Digital Technology Co., Ltd. · DVR TD-2014TS-CLversion=1.3.3.20657B180918.D06.U2\/4A41T\/; version=1.3.4.22966B181219.D00.U1\/4A21S\/; version=1.3.4.22966B181219.D14.U1\/8A41T\/; version=1.3.4.22966B181219.D44.U1\/16A82T\/; version=1.3.4.24513B190218.D00.U1\/8A21S\/; version=1.3.4.24879B190222.D00.U2\/8A21S\/
Shenzhen TVT Digital Technology Co., Ltd. · AVISION DVR AV108Tversion=1.3.3.20657B180918.D06.U2(4A41T); version=1.3.3.20657B180918.D06.U2\/4A41T\/; version=1.3.4.22966B181219.D00.U1(4A21S); version=1.3.4.22966B181219.D00.U\/(4A21S\/; version=1.3.4.22966B181219.D14.U1(8A41T); version=1.3.4.22966B181219.D14.U1\/8A41T\/; version=1.3.4.22966B181219.D44.U1(16A82T); version=1.3.4.22966B181219.D44.U1\/16A82T\/; version=1.3.4.24513B190218.D00.U1(8A21S); version=1.3.4.24513B190218.D00.U\/8A21S\/; version=1.3.4.24879B190222.D00.U2(8A21S); version=1.3.4.24879B190222.D00.U2\/8A21S\/
Shenzhen TVT Digital Technology Co., Ltd. · TD-2104TS-CLversion=1.3.3.20657B180918.D06.U2(4A41T); version=1.3.4.22966B181219.D00.U1(4A21S); version=1.3.4.22966B181219.D14.U1(8A41T); version=1.3.4.22966B181219.D44.U1(16A82T); version=1.3.4.24513B190218.D00.U1(8A21S); version=1.3.4.24879B190222.D00.U2(8A21S)

Published CVSS scores

6.9VulDB CNACVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
5.3VulDB CNACVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.3NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.3VulDB CNACVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.0VulDB CNAAV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1592Gather Victim Host Information

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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