CVE-2021-45382: D-Link Multiple Routers Remote Code Execution Vulnerability
First published: Thu Feb 17 2022(Updated: )
A remote code execution vulnerability exists in all series H/W revisions routers via the DDNS function in ncc2 binary file.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Dlink Dir-820l Firmware | ||
| Dlink Dir-820l | ||
| Dlink Dir-820lw Firmware | ||
| Dlink Dir-820lw | ||
| Dlink Dir-826l Firmware | ||
| Dlink Dir-826l | ||
| Dlink Dir-830l Firmware | ||
| Dlink Dir-830l | ||
| Dlink Dir-836l Firmware | ||
| Dlink Dir-836l | ||
| Dlink Dir-810l Firmware | ||
| Dlink Dir-810l | ||
| D-Link Multiple Routers | ||
| All of | ||
| Dlink Dir-820l | ||
| Dlink Dir-820l Firmware | ||
| All of | ||
| Dlink Dir-820lw | ||
| Dlink Dir-820lw Firmware | ||
| All of | ||
| Dlink Dir-826l | ||
| Dlink Dir-826l Firmware | ||
| All of | ||
| Dlink Dir-830l | ||
| Dlink Dir-830l Firmware | ||
| All of | ||
| Dlink Dir-836l | ||
| Dlink Dir-836l Firmware | ||
| All of | ||
| Dlink Dir-810l | ||
| Dlink Dir-810l Firmware |
Remedy
The impacted product is end-of-life and should be disconnected if still in use.
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is CVE-2021-45382?
CVE-2021-45382 is a Remote Code Execution (RCE) vulnerability in multiple D-Link routers.
Which D-Link routers are affected by CVE-2021-45382?
The following D-Link routers are affected by CVE-2021-45382: DIR-810L, DIR-820L/LW, DIR-826L, DIR-830L, and DIR-836L.
What is the severity of CVE-2021-45382?
CVE-2021-45382 has a severity rating of 9.8 (Critical).
How does CVE-2021-45382 work?
CVE-2021-45382 allows remote attackers to execute arbitrary code on the affected D-Link routers through the DDNS function in the ncc2 binary file.
How can I fix CVE-2021-45382?
To fix CVE-2021-45382, it is recommended to update the firmware of the affected D-Link routers to the latest version provided by D-Link.
- agent/author
- agent/type
- agent/title
- agent/severity
- agent/weakness
- agent/remedy
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/event
- agent/first-publish-date
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/nvd-api
- agent/softwarecombine
- exploited/true
- collector/cisa-known-exploited
- source/CISA
- agent/software-canonical-lookup
- agent/references
- agent/tags
- collector/nvd-cve
- source/NVD
- vendor/dlink
- canonical/dlink dir-820l firmware
- canonical/dlink dir-820l
- canonical/dlink dir-820lw firmware
- canonical/dlink dir-820lw
- canonical/dlink dir-826l firmware
- canonical/dlink dir-826l
- canonical/dlink dir-830l firmware
- canonical/dlink dir-830l
- canonical/dlink dir-836l firmware
- canonical/dlink dir-836l
- canonical/dlink dir-810l firmware
- canonical/dlink dir-810l
- vendor/d-link
- canonical/d-link multiple routers