Critical severity9.8NVD Advisory· Published Aug 24, 2021· Updated Jun 17, 2026
CVE-2021-39510
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.
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Affected products
3- cpe:2.3:o:dlink:dir-816_firmware:101cnb04:*:*:*:*:*:*:*
- D-Link/DIR816_A1_FW101CNB04description
Patches
Vulnerability mechanics
References
2- github.com/doudoudedi/main-DIR-816_A1_Command-injection/blob/main/injection_A1.mdnvdExploitThird Party Advisory
- www.dlink.com/en/security-bulletin/nvdVendor Advisory
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