Auth bypass in Trendnet Tv-Ip121w

CVE-2025-5870

A vulnerability has been found in TRENDnet TV-IP121W 1.1.1 Build 36 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /admin/setup.cgi of the component Web Interface. The manipulation leads to improper authentication. The attack can be launched remotely. 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 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.005 (37.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-5870: held from 0.004 to 0.005.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-5870?
CVE-2025-5870 is a high-severity vulnerability in Trendnet Tv-Ip121w, classified under Improper Authentication. CVSS score: 7.3/10. Published 2025-06-09.
How severe is CVE-2025-5870?
High severity. CVSS v3 base score is 7.3 out of 10.