CVE-2021-39510

9.8 CRITICAL

An issue was discovered in D-Link DIR816_A1_FW101CNB04 750m11ac wireless router, The HTTP request parameter is used in the handler functi...

Published: 2021-08-24 · Last updated: 2026-06-17

Severity and scoring

CVSS: 9.8 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-77

Affected products

Vendor	Product
dlink	dir-816_firmware

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.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-39510
[Other]https://github.com/doudoudedi/main-DIR-816_A1_Command-injection
[Exploit reference]https://github.com/doudoudedi/main-DIR-816_A1_Command-injection/blob/main/injection_A1.md
[Vendor advisory]https://www.dlink.com/en/security-bulletin/
[Other]https://github.com/doudoudedi/main-DIR-816_A1_Command-injection
[Exploit reference]https://github.com/doudoudedi/main-DIR-816_A1_Command-injection/blob/main/injection_A1.md
[Vendor advisory]https://www.dlink.com/en/security-bulletin/

Related CVEs

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