CVE-2021-45382

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.

CVSS v3.1

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

CVSS v3.1

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

CVSS v2.0

10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS

97.84% chance of exploitation in the next 30 days, 100th percentile

CISA KEV

added 2022-04-04

Nuclei

critical · CWE-78

Published

2022-02-17

Updated

2025-10-21

Proof-of-concept exploits (1)

• doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_Command_injection.md

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-45382.yaml

References

• CVE Record
• NVD entry

Related

• CVE-2019-17621
• CVE-2021-39509
• CVE-2021-39510
• CVE-2021-40546
• CVE-2021-43711
• CVE-2021-46314