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CVE-2021-45382D-Link Multiple Routers Remote Code Execution Vulnerability
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.
9.8 CRITICALEPSS 97.83%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 9.8 | CRITICAL | 3.1NVD | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 10.0 | HIGH | 2.0NVD | AV:N/AC:L/Au:N/C:C/I:C/A:C |
CISA required action
⚡ Known exploited · remediation due Apr 25, 2022
The impacted product is end-of-life and should be disconnected if still in use.
Details
- CVE ID
- CVE-2021-45382
- Status
- Analyzed
- Assigner (CNA)
- mitre
- Published
- Feb 17, 2022
- Last modified
- 2026-06-17 04:13 UTC
- Weaknesses
Affected Products
From NVD CPE configurations.
dlinkdir-820l firmware0 version ranges
No version detail published.
dlinkdir-820lw firmware0 version ranges
No version detail published.
dlinkdir-826l firmware0 version ranges
No version detail published.
dlinkdir-830l firmware0 version ranges
No version detail published.
dlinkdir-836l firmware0 version ranges
No version detail published.
dlinkdir-810l firmware0 version ranges
No version detail published.
References
- github.com https://github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_Command_injection.md
- supportannouncement.us.dlink.com https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10264
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-45382