7.5

CVE-2025-5870: trendnet tv-ip121w Improper Authentication

CVSS: 7.5v2.0HighDeferred
Published 09-06-2025Last modified 09-06-2025
Open JSON

Vulnerability summary

CVE-2025-5870 is a high (CVSS 7.5) Improper Authentication vulnerability in trendnet tv-ip121w. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v2.0 (CVE.org)
EPSS score
0.46%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 09-06-2025
    PublishedVulnerability first disclosed.
  2. 09-06-2025
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

7 scores · 2 sources · 4 versions

EPSS trend

Probability

0.46%

Chance of exploitation in the next 30 days

Percentile

39%

Versus all other CVEs

30-day change

0.00 pp

From 0.46% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.46%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Cve Request Trendnet

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Trendnet1 product

1 vendor · 1 product

References

4 links