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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.008 (55.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Trendnet Tew-827dru — versions 2.0
- Trendnet Tew-827dru Firmware — versions 2.08b01
- Trendnet Ac2600 Tew-827dru — versions 2.08B01
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.tenable.com/security/research/tra-2021-54 (Third Party Advisory)
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.