CVE-2021-20160

Name: CVE-2021-20160
Creator: NVD / NIST
Published: 2021-12-30T22:15:09.113+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 3.11%

Last modified Jun 17, 2026

CVE-2021-20160 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 3.11% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

3.11%

86.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Trendnet	Tew-827dru Firmware	2.08b01

References

https://www.tenable.com/security/research/tra-2021-54Exploit, Third Party Advisory
https://www.tenable.com/security/research/tra-2021-54Exploit, Third Party Advisory

Timeline

Published: Dec 30, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-20160?

How severe is CVE-2021-20160?

CVE-2021-20160 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.11% probability of exploitation in the next 30 days.

How do I fix CVE-2021-20160?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-20160?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST