What is CVE-2021-20152?

CVE-2021-20152 is a medium-severity vulnerability in Trendnet Tew-827dru, classified under Missing Authentication for Critical Function. CVSS score: 6.5/10. Published 2021-12-30.

How severe is CVE-2021-20152?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2021-20152 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Trendnet Tew-827dru

CVE-2021-20152

Trendnet AC2600 TEW-827DRU version 2.08B01 lacks proper authentication to the bittorrent functionality. If enabled, anyone is able to visit and modify settings and files via the Bittorent web client by visiting: http://192.168.10.1:9091/transmission/web/

Vulnerability class: Broken Authentication

EPSS: 0.008 (53.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Trendnet Tew-827dru — versions 2.0
Trendnet Tew-827dru_firmware — versions 2.08b01
N/a Trendnet Ac2600 Tew-827dru — versions 2.08B01

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

Public proof-of-concept exploits

References

vulnreport@tenable.com (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-20152?: CVE-2021-20152 is a medium-severity vulnerability in Trendnet Tew-827dru, classified under Missing Authentication for Critical Function. CVSS score: 6.5/10. Published 2021-12-30.
How severe is CVE-2021-20152?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2021-20152 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.