CVE-2021-45382 KEV
9.8
CRITICAL · CVSS 3.1 · EPSS 97.8% (pctl 100)
Patch first
On CISA KEV — known exploited in the wild, due 2022-04-25.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 97.84% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-78 |
| On CISA KEV | yes — remediate by 2022-04-25 |
| Public exploit | none known |
| Published | 2022-02-17 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | D-Link Multiple Routers Remote Code Execution Vulnerability |
|---|---|
| Added | 2022-04-04 |
| Due | 2022-04-25 |
| Vendor / product | D-Link / Multiple Routers |
| Ransomware use | none reported |
Affected (12)
| Vendor | Product |
|---|---|
| dlink | dir-810l |
| dlink | dir-810l firmware |
| dlink | dir-820l |
| dlink | dir-820l firmware |
| dlink | dir-820lw |
| dlink | dir-820lw firmware |
| dlink | dir-826l |
| dlink | dir-826l firmware |
| dlink | dir-830l |
| dlink | dir-830l firmware |
| dlink | dir-836l |
| dlink | dir-836l firmware |
References
- https://github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_Command_injection.md
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10264
- https://github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_Command_injection.md
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10264
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-45382
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