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CVE-2021-45382

nvd nistnuclei
Published: Feb 17, 2022Modified: Nov 10, 2025CISA KEV

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9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: NVD

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 (6)

Dlink
6 products
Dir 820l Firmware
Dir 820lw Firmware
Dir 826l Firmware
Dir 830l Firmware
Dir 836l Firmware
Dir 810l Firmware
Configuration A
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Dir 820l Firmware
All versions
Running on/withPlatform Versions
Dlink
Dir 820l
All versions
Configuration B
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Dir 820lw Firmware
All versions
Running on/withPlatform Versions
Dlink
Dir 820lw
All versions
Configuration C
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Dir 826l Firmware
All versions
Running on/withPlatform Versions
Dlink
Dir 826l
All versions
Configuration D
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Dir 830l Firmware
All versions
Running on/withPlatform Versions
Dlink
Dir 830l
All versions
Configuration E
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Dir 836l Firmware
All versions
Running on/withPlatform Versions
Dlink
Dir 836l
All versions
Configuration F
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Dir 810l Firmware
All versions
Running on/withPlatform Versions
Dlink
Dir 810l
All versions

Related CWEs

CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

References (5)

Source: cve@mitre.org
ExploitThird Party Advisory
Source: cve@mitre.org
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

Timeline

No history available yet.