CVE-2020-14075

Name: CVE-2020-14075
Creator: NVD / NIST
Published: 2020-06-15T04:15:13.33+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 3.07%

Last modified Jun 17, 2026

CVE-2020-14075 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. TRENDnet TEW-827DRU devices through 2.06B04 contain multiple command injections in apply.cgi via the action pppoe_connect, ru_pppoe_connect, or dhcp_connect with the key wan_ifname (or wan0_dns), allowing an authenticated user to run arbitrary commands on the device.. EPSS estimates a 3.07% chance of exploitation in the next 30 days.

Description

TRENDnet TEW-827DRU devices through 2.06B04 contain multiple command injections in apply.cgi via the action pppoe_connect, ru_pppoe_connect, or dhcp_connect with the key wan_ifname (or wan0_dns), allowing an authenticated user to run arbitrary commands on the device.

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

3.07%

86.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Trendnet	Tew-827dru Firmware	<= 2.06b04

References

https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-dhcp_connect.pdfThird Party Advisory
https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/dhcp_connect_command.pdfThird Party Advisory
https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-dhcp_connect.pdfThird Party Advisory
https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/dhcp_connect_command.pdfThird Party Advisory

Timeline

Published: Jun 15, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-14075?

How severe is CVE-2020-14075?

CVE-2020-14075 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.07% probability of exploitation in the next 30 days.

How do I fix CVE-2020-14075?

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-2020-14075?

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

Scan your code now

Source: NVD / NIST