8.8
HIGH
CVE-2020-14078
TRENDnet TEW-827DRU Command Injection Vulnerability
Description

TRENDnet TEW-827DRU devices through 2.06B04 contain a stack-based buffer overflow in the ssi binary. The overflow allows an authenticated user to execute arbitrary code by POSTing to apply.cgi via the action wifi_captive_portal_login with a sufficiently long REMOTE_ADDR key.

INFO

Published Date :

June 15, 2020, 4:15 a.m.

Last Modified :

June 17, 2020, 3:32 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2020-14078 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Trendnet tew-827dru_firmware
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-14078.

URL Resource
https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-wifi_captive.pdf Third Party Advisory
https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/wifi_captive_portal_login_overflow.pdf Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-14078 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-14078 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jun. 17, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-wifi_captive.pdf No Types Assigned https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-wifi_captive.pdf Third Party Advisory
    Changed Reference Type https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/wifi_captive_portal_login_overflow.pdf No Types Assigned https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/wifi_captive_portal_login_overflow.pdf Third Party Advisory
    Added CWE NIST CWE-787
    Added CPE Configuration AND OR *cpe:2.3:o:trendnet:tew-827dru_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.06b04 OR cpe:2.3:h:trendnet:tew-827dru:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-14078 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-14078 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.14 }} -0.00%

score

0.48702

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability