Remote Command Execution Issue in D-Link Router Products
CVE-2021-46315

9.8CRITICAL

Key Information:

Vendor

D-Link
Status
Dir-846 Firmware
Vendor
CVE Published:
17 February 2022

What is CVE-2021-46315?

A Remote Command Execution vulnerability exists in the HNAP1/control/SetWizardConfig.php file in specific firmware versions of D-Link DIR-846 routers. Malicious users can exploit this vulnerability by inserting backticks or using specific shell metacharacters within the ssid0 or ssid1 parameters. This exploitation could lead to arbitrary command execution on the device. The vulnerability remains exploitable due to a lack of proper patching for related past vulnerabilities, allowing attackers to bypass restrictions using line breaks and backquotes.

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References

https://www.dlink.com/en/security-bulletin/
x_refsource_MISC
https://github.com/doudoudedi/DIR-846_Command_Injection/b...
x_refsource_MISC

EPSS Score

26% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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