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CVE-2021-46315

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.

POC

Reference

- https://github.com/doudoudedi/DIR-846_Command_Injection/blob/main/DIR-846_Command_Injection1.md

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

Github

No PoCs found on GitHub currently.