9.8
CRITICAL
CVE-2021-46315
D-Link Router DIR-846 HNAP1 Remote Command Execution Vulnerability
Description

Remote Command Execution (RCE) vulnerability exists in HNAP1/control/SetWizardConfig.php in D-Link Router DIR-846 DIR846A1_FW100A43.bin and DIR846enFW100A53DLA-Retail.bin. Malicoius users can use this vulnerability to use "\ " or backticks in the shell metacharacters in the ssid0 or ssid1 parameters to cause arbitrary command execution. Since CVE-2019-17510 vulnerability has not been patched and improved www/hnap1/control/setwizardconfig.php, can also use line breaks and backquotes to bypass.

INFO

Published Date :

Feb. 17, 2022, 10:15 p.m.

Last Modified :

Feb. 25, 2022, 6:49 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-46315 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 Dlink dir-846_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-2021-46315.

URL Resource
https://github.com/doudoudedi/DIR-846_Command_Injection/blob/main/DIR-846_Command_Injection1.md Exploit Third Party Advisory
https://www.dlink.com/en/security-bulletin/ Vendor 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-2021-46315 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-46315 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]

    Feb. 25, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/doudoudedi/DIR-846_Command_Injection/blob/main/DIR-846_Command_Injection1.md No Types Assigned https://github.com/doudoudedi/DIR-846_Command_Injection/blob/main/DIR-846_Command_Injection1.md Exploit, Third Party Advisory
    Changed Reference Type https://www.dlink.com/en/security-bulletin/ No Types Assigned https://www.dlink.com/en/security-bulletin/ Vendor Advisory
    Added CWE NIST CWE-78
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dir-846_firmware:100a43:*:*:*:*:*:*:* OR cpe:2.3:h:dlink:dir-846:a1:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dir-846_firmware:100a53dla:*:*:*:*:*:*:* OR cpe:2.3:h:dlink:dir-846:-:*:*:*:*:*:*:*
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-2021-46315 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

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

1.23 }} 0.01%

score

0.85860

percentile

CVSS31 - Vulnerability Scoring System
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