CVE-2021-20161

Trendnet AC2600 TEW-827DRU version 2.08B01 does not have sufficient protections for the UART functionality. A malicious actor with physical access to the device is able to connect to the UART port via a serial connection. No username or password is required and the user is given a root shell with full control of the device.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.8 MEDIUM
PHYSICAL
LOW
NONE
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
tenableCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 12%
VendorProductVersion
trendnettew-827dru_firmware
2.08b01:b01
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.tenable.com/security/research/tra-2021-54
https://www.tenable.com/security/research/tra-2021-54