VULNERABILITY INTELLIGENCE

CVE-2021-39510

CVSS score9.8 CRITICAL

EPSS probability8.62%

CISA KEVNot currently listed

Published2021-08-24

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

nvd@nist.gov: CWE-77

Primary references

cve@mitre.org — Third Party Advisory
cve@mitre.org — Exploit, Third Party Advisory
cve@mitre.org — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory