CVE-2021-39510 Information

Description

An issue was discovered in D-Link DIR816_A1_FW101CNB04 750m11ac wireless router The HTTP request parameter is used in the handler function of /goform/form2userconfig.cgi route which can construct the user name string to delete the user function. This can lead to command injection through shell metacharacters.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://www.dlink.com/en/security-bulletin/ https://github.com/doudoudedi/main-DIR-816_A1_Command-injection/blob/main/injection_A1.md https://github.com/doudoudedi/main-DIR-816_A1_Command-injection

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8