What is CVE-2021-20159?

CVE-2021-20159 is a high-severity vulnerability in Trendnet Tew-827dru, classified under OS Command Injection. CVSS score: 8.8/10. Published 2021-12-30.

How severe is CVE-2021-20159?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Trendnet Tew-827dru

CVE-2021-20159

Trendnet AC2600 TEW-827DRU version 2.08B01 is vulnerable to command injection. The system log functionality of the firmware allows for command injection as root by supplying a malformed parameter.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.034 (87.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Trendnet Tew-827dru — versions 2.0
Trendnet Tew-827dru_firmware — versions 2.08b01
N/a Trendnet Ac2600 Tew-827dru — versions 2.08B01

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

vulnreport@tenable.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-20159?: CVE-2021-20159 is a high-severity vulnerability in Trendnet Tew-827dru, classified under OS Command Injection. CVSS score: 8.8/10. Published 2021-12-30.
How severe is CVE-2021-20159?: High severity. CVSS v3 base score is 8.8 out of 10.