# CVE-2025-14746: Ningyuanda TC155 RTSP Live Video Stream Endpoint improper authentication

> An attacker on the local network can bypass authentication to access live video streams on Ningyuanda TC155 cameras.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 16 Dec 2025
- **Updated:** 16 Dec 2025
- **Also known as:** GHSA-2mv5-wvgc-cq3v

## What is CVE-2025-14746?

CVE-2025-14746 is a medium-severity authentication bypass vulnerability in Ningyuanda TC155, published on 16 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability has been found in Ningyuanda TC155 57.0.2.0. The affected element is an unknown function of the component RTSP Live Video Stream Endpoint. Such manipulation leads to improper authentication. The attack must be carried out from within the local network. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2025-14746?

It affects 1 product.


Products: Shenzhenningyuandatechnology Tc155 Firmware.

## How do I fix CVE-2025-14746?

No fix has been published for CVE-2025-14746 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-14746 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-14746 exists.

## Other vulnerabilities in Ningyuanda TC155

- [CVE-2025-14747](https://insights.sbomify.com/CVE-2025-14747/): Ningyuanda TC155 RTSP Service denial of service (medium 5.3)
- [CVE-2025-14748](https://insights.sbomify.com/CVE-2025-14748/): Ningyuanda TC155 ONVIF Device Management Service device_service access control (medium 5.3)
- [CVE-2025-14749](https://insights.sbomify.com/CVE-2025-14749/): Ningyuanda TC155 ONVIF PTZ Control device_service access control (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-14746 and fix it if it is affected.

What it is: CVE-2025-14746 is a medium-severity authentication bypass vulnerability in Ningyuanda TC155, published on 16 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-14746 exists.

Affected product: Ningyuanda TC155. 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-2025-14746/ (Markdown: https://insights.sbomify.com/CVE-2025-14746/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-14746
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-14746
- OSV: https://osv.dev/vulnerability/CVE-2025-14746

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From sbomify Insights: https://insights.sbomify.com/CVE-2025-14746/
Summaries are generated and may contain mistakes; the official description above is the record.