Critical severity9.8CISA KEVNVD Advisory· Published Feb 17, 2022· Updated Jun 17, 2026
CVE-2021-45382
CVE-2021-45382
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
10- cpe:2.3:o:dlink:dir-810l_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:dlink:dir-820l_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:dlink:dir-820lw_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:dlink:dir-826l_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:dlink:dir-830l_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:dlink:dir-836l_firmware:-:*:*:*:*:*:*:*
- D-link/routersdescription
- Range: all hardware revisions
Patches
Vulnerability mechanics
References
3- github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_Command_injection.mdnvdExploitThird Party Advisory
- supportannouncement.us.dlink.com/announcement/publication.aspxnvdVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
News mentions
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