Actively exploited · Published Feb 17, 2022 · Assigned by mitre
CVE-2021-45382
Critical 9.8 Exploited
In plain English
A critical-severity OS command injection in Multiple Routers from D-Link. Attackers are actively exploiting it in the wild (listed by CISA on April 4, 2022). The chance it is exploited in the next 30 days is estimated at 97.8% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei. The impacted product is end-of-life and should be disconnected if still in use.
CISA guidance
The impacted product is end-of-life and should be disconnected if still in use.
Federal agencies must remediate by Apr 25, 2022.
Official 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.
Affected products (as reported)
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10264 x_refsource_MISC
- https://github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_Command_injection.md x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-45382 government-resource