CVE-2021-20161
First published: Thu Dec 30 2021(Updated: )
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.
Credit: vulnreport@tenable.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| TRENDnet TEW-827DRU firmware | =2.08b01 | |
| TRENDnet TEW-827DRU | =2.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-20161?
CVE-2021-20161 has a high severity level due to the potential for unauthorized access to the device's root shell.
How do I fix CVE-2021-20161?
To fix CVE-2021-20161, ensure physical security of the device and contact Trendnet for any firmware updates.
What type of access does CVE-2021-20161 allow?
CVE-2021-20161 allows an attacker with physical access to gain root shell access through the UART port.
Is the CVE-2021-20161 vulnerability hardware-specific?
CVE-2021-20161 specifically affects the Trendnet TEW-827DRU version 2.08B01 firmware.
Can CVE-2021-20161 be exploited remotely?
No, CVE-2021-20161 requires physical access to the device for exploitation.
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- vendor/trendnet
- canonical/trendnet tew-827dru firmware
- version/trendnet tew-827dru firmware/2.08b01
- canonical/trendnet tew-827dru
- version/trendnet tew-827dru/2.0