CVE-2021-46315

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Se presenta una vulnerabilidad de Ejecución de Comandos Remota (RCE) en el archivo HNAP1/control/SetWizardConfig.php en el router D-Link DIR-846 DIR846A1_FW100A43.bin y DIR846enFW100A53DLA-Retail.bin. Los usuarios maliciosos pueden usar esta vulnerabilidad para usar "\ ~" o backticks en los metacaracteres del shell en los parámetros ssid0 o ssid1 para causar una ejecución de comandos arbitrarios. Desde que la vulnerabilidad CVE-2019-17510 no ha sido parcheada y mejorada www/hnap1/control/setwizardconfig.php, también puede usar saltos de línea y comillas traseras para eludirla

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-01-18 CVE Reserved
2022-02-17 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-11-02 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://github.com/doudoudedi/DIR-846_Command_Injection/blob/main/DIR-846_Command_Injection1.md	2024-08-04

URL	Date	SRC

URL	Date	SRC
https://www.dlink.com/en/security-bulletin	2022-02-25

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Dlink Search vendor "Dlink"	Dir-846 Firmware Search vendor "Dlink" for product "Dir-846 Firmware"	100a43 Search vendor "Dlink" for product "Dir-846 Firmware" and version "100a43"	-	Affected	in	Dlink Search vendor "Dlink"	Dir-846 Search vendor "Dlink" for product "Dir-846"	a1 Search vendor "Dlink" for product "Dir-846" and version "a1"	-	Safe
Dlink Search vendor "Dlink"	Dir-846 Firmware Search vendor "Dlink" for product "Dir-846 Firmware"	100a53dla Search vendor "Dlink" for product "Dir-846 Firmware" and version "100a53dla"	-	Affected	in	Dlink Search vendor "Dlink"	Dir-846 Search vendor "Dlink" for product "Dir-846"	-	-	Safe