Auth bypass in Ningyuanda Tc155
CVE-2025-14746
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.009 (57.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: -0.000
Affected products
- Ningyuanda Tc155 — versions 57.0.2.0
- Shenzhenningyuandatechnology Tc155
- Shenzhenningyuandatechnology Tc155 Firmware — versions 57.0.2.0
Weakness classification (CWE)
References
- vuldb.com/ (VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/pwnpwnpur1n/IoT-advisories/blob/main/TC155-Unauth-RTSP.md (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2025-14746?
- CVE-2025-14746 is a medium-severity vulnerability in Ningyuanda Tc155, classified under Improper Authentication. CVSS score: 4.3/10. Published 2025-12-16.
- How severe is CVE-2025-14746?
- Medium severity. CVSS v3 base score is 4.3 out of 10.