CVE-2021-20155
CVSS v3
9.8
CRITICAL
EPSS Score
1.9 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Trendnet AC2600 TEW-827DRU version 2.08B01 makes use of hardcoded credentials. It is possible to backup and restore device configurations via the management web interface. These devices are encrypted using a hardcoded password of "12345678".
Technical details
- Published
- 2021-12-30
Frequently asked questions
What is CVE-2021-20155?
Trendnet AC2600 TEW-827DRU version 2.08B01 makes use of hardcoded credentials. It is possible to backup and restore device configurations via the management web interface. These devices are encrypted using a hardcoded password of "12345678".
Is CVE-2021-20155 actively exploited?
Active exploitation of CVE-2021-20155 has not been confirmed. Its EPSS score was 1.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-20155?
CVE-2021-20155 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2021-20155 affecting your environment?
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