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

> Remote attackers can access sensitive device information via the queryDevInfo endpoint in affected TVT DVR models.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 1 Aug 2024
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-vcqx-95xm-6xh4

## What is CVE-2024-7339?

CVE-2024-7339 is a medium-severity vulnerability in TVT AVISION DVR AV108T, published on 1 Aug 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official 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.

Weakness: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2024-7339?

It affects 4 products.


Products: Provision-Isr Sh-4050a5-5l\(mm\) Firmware, Tvt Avision Av108t Firmware, Tvt Td-2104ts-Cl Firmware, Tvt Td-2108ts-Hp Firmware.

## How do I fix CVE-2024-7339?

No fix has been published for CVE-2024-7339 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-7339 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-7339 exists.

Public exploit code:

- An Vulnerability detection and Exploitation tool for  CVE-2024-7339 (github_poc): https://github.com/RevoltSecurities/CVE-2024-7339
- TVT DVR Sensitive Device - Information Disclosure (nuclei): http/cves/2024/CVE-2024-7339.yaml

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-7339 and fix it if it is affected.

What it is: CVE-2024-7339 is a medium-severity vulnerability in TVT AVISION DVR AV108T, published on 1 Aug 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-7339 exists.

Affected product: TVT AVISION DVR AV108T. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2024-7339/ (Markdown: https://insights.sbomify.com/CVE-2024-7339/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-7339
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-7339
- OSV: https://osv.dev/vulnerability/CVE-2024-7339

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From sbomify Insights: https://insights.sbomify.com/CVE-2024-7339/
Summaries are generated and may contain mistakes; the official description above is the record.