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CVE-2021-39510

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.

POC

Reference

- https://github.com/doudoudedi/main-DIR-816_A1_Command-injection

- https://github.com/doudoudedi/main-DIR-816_A1_Command-injection/blob/main/injection_A1.md

- https://www.dlink.com/en/security-bulletin/

Github

- https://github.com/ARPSyndicate/cve-scores