CVE-2021-20160
Trendnet AC2600 TEW-827DRU version 2.08B01 contains a command injection vulnerability in the smb...
Trendnet AC2600 TEW-827DRU version 2.08B01 contains a command injection vulnerability in the smb functionality of the device. The username parameter used when configuring smb functionality for the device is vulnerable to command injection as root.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Trendnet AC2600 TEW-827DRU version 2.08B01 contains a command injection vulnerability in the smb functionality of the device. The username parameter used when configuring smb functionality for the device is vulnerable to command injection as root.
- Record
CVE-2021-20160- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.0 High
AV:N/AC:L/Au:S/C:C/I:C/A:C - Weakness
- CWE-78
- Updated
- 2026-11-02
CVE List No score
Trendnet AC2600 TEW-827DRU version 2.08B01 contains a command injection vulnerability in the smb functionality of the device. The username parameter used when configuring smb functionality for the device is vulnerable to command injection as root.
- Record
CVE-2021-20160- Updated
- 2026-11-02
EUVDEUVD-2021-7617 No score
Trendnet AC2600 TEW-827DRU version 2.08B01 contains a command injection vulnerability in the smb functionality of the device. The username parameter used when configuring smb functionality for the device is vulnerable to command injection as root.
- Record
EUVD-2021-7617- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wjhv-44c8-252g
Trendnet AC2600 TEW-827DRU version 2.08B01 contains a command injection vulnerability in the smb...
Trendnet AC2600 TEW-827DRU version 2.08B01 contains a command injection vulnerability in the smb functionality of the device. The username parameter used when configuring smb functionality for the device is vulnerable to command injection as root.
- Record
GHSA-wjhv-44c8-252g- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-20160 is a high vulnerability (CVSS 8.8) in Trendnet Tew-827dru Firmware, published December 30, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.13%, the 87th percentile. No source names a fixed version.