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CVE-2021-45382

Published: Feb 17, 2022Updated: Nov 10, 2025 Sources: CVE List NVD BDUCWE-78
9.8CRITICAL
NVD MITRE
EPSS Score
97.8%
Top 0.1%
CISA KEV
Active Exploitation
Since Apr 4, 2022
Exploits
1 Known
Remediation
Patch Available
Self-Check
Nuclei · OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-78

Affected Products

D-Link Corp.
commercial·TWaka dlink, d-link corporation, d-link international
dir-820l firmware
Networking Infrastructure
dir-820lw firmware
Networking Infrastructure
dir-826l firmware
Networking Infrastructure
dir-830l firmware
Networking Infrastructure
dir-836l firmware
Networking Infrastructure
dir-810l firmware
Networking Infrastructure
DIR-810l
Networking Infrastructure
DIR-820L LW
Networking Infrastructure
and 4 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Apr 4, 2022
Remediation due:Apr 25, 2022

Required action: The impacted product is end-of-life and should be disconnected if still in use.

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10264
supportannouncement.us.dlink.com
https://github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_Command_injection.md
github.com
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-45382
cisa.gov
and 3 more references View all →

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