critical9.8Known exploited
CVE-2021-45382
D-Link Multiple Routers Remote Code Execution Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2022-04-04. Federal due date: 2022-04-25.
The impacted product is end-of-life and should be disconnected if still in use.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Dlink | Dir-820l Firmware | All versions |
| Dlink | Dir-820lw Firmware | All versions |
| Dlink | Dir-826l Firmware | All versions |
| Dlink | Dir-830l Firmware | All versions |
| Dlink | Dir-836l Firmware | All versions |
| Dlink | Dir-810l Firmware | All versions |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- 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