# 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.

- Page: https://www.vulneraibility.com/cve/CVE-2021-45382
- CVSS: 9.8
- Known exploited: yes, in CISA KEV since 2022-04-04; CISA due date 2022-04-25
- EPSS: 97.84% (percentile 99.9)
- Detection templates only, no public exploit found: 1 Nuclei template
- CISA SSVC: exploitation active, automatable yes, technical impact total (assessed 2025-01-29)
- Weakness: CWE-78
- Published: 2022-02-17

## Affected

- dlink:dir-820l_firmware
- dlink:dir-820lw_firmware
- dlink:dir-826l_firmware
- dlink:dir-830l_firmware
- dlink:dir-836l_firmware
- dlink:dir-810l_firmware

## References

- [other] https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10264
- [other] https://github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_Command_injection.md
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-45382

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.