CVE-2021-45382

CriticalCVSS 9.8/10Known exploited (CISA KEV)Last modified Jun 17, 2026

Description

A Remote Command Execution (RCE) vulnerability exists in all series H/W revisions D-link DIR-810L, DIR-820L/LW, DIR-826L, DIR-830L, and DIR-836L routers via the DDNS function in ncc2 binary file. Note: DIR-810L, DIR-820L, DIR-830L, DIR-826L, DIR-836L, all hardware revisions, have reached their End of Life ("EOL") /End of Service Life ("EOS") Life-Cycle and as such this issue will not be patched.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-78

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_Command_injection.mdExploit, Third Party Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10264Vendor Advisory
https://github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_Command_injection.mdExploit, Third Party Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10264Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-45382US Government Resource

Timeline

Published: Feb 17, 2022
Last modified: Jun 17, 2026
Added to CISA KEV: Apr 4, 2022
NVD status: Analyzed

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