Auth bypass in Trendnet Tew-827dru
CVE-2021-20150
Trendnet AC2600 TEW-827DRU version 2.08B01 improperly discloses information via redirection from the setup wizard. Authentication can be bypassed and a user may view information as Admin by manually browsing to the setup wizard and forcing it to redirect to the desired page.
Vulnerability class: Broken Authentication
EPSS: 0.401 (98.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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)
Public proof-of-concept exploits
References
- vulnreport@tenable.com (Third Party Advisory, x_refsource_MISC, Mitigation)
Frequently asked questions
- What is CVE-2021-20150?
- CVE-2021-20150 is a medium-severity vulnerability in Trendnet Tew-827dru, classified under Missing Authentication for Critical Function. CVSS score: 5.3/10. Published 2021-12-30.
- How severe is CVE-2021-20150?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2021-20150 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.