CVE-2021-45382

KEV
Published: Feb 17, 2022 Last Modified: Nov 10, 2025
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
HIGH 10,0
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: complete
Integrity: complete
Availability: complete

Description

AI Translation Available

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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,9423
Percentile
1,0th
Updated

EPSS Score Trend (Last 90 Days)

78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Stable
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Integrity Availability Non-Repudiation
Potential Impacts:
Execute Unauthorized Code Or Commands Dos: Crash, Exit, Or Restart Read Files Or Directories Modify Files Or Directories Read Application Data Modify Application Data Hide Activities
Applicable Platforms
Technologies: AI/ML, Not Technology-Specific, Web Server
Likelihood of Exploit: High
View CWE Details
Operating System

Dir-810L Firmware by Dlink

Product Information
Vendor Dlink
Product Dir-810L Firmware
Version -
cpe:2.3:o:dlink:dir-810l_firmware:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Dir-826L Firmware by Dlink

Product Information
Vendor Dlink
Product Dir-826L Firmware
Version -
cpe:2.3:o:dlink:dir-826l_firmware:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Dir-836L Firmware by Dlink

Product Information
Vendor Dlink
Product Dir-836L Firmware
Version -
cpe:2.3:o:dlink:dir-836l_firmware:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Dir-820L Firmware by Dlink

Product Information
Vendor Dlink
Product Dir-820L Firmware
Version -
cpe:2.3:o:dlink:dir-820l_firmware:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Dir-820Lw Firmware by Dlink

Product Information
Vendor Dlink
Product Dir-820Lw Firmware
Version -
cpe:2.3:o:dlink:dir-820lw_firmware:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Dir-830L Firmware by Dlink

Product Information
Vendor Dlink
Product Dir-830L Firmware
Version -
cpe:2.3:o:dlink:dir-830l_firmware:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalo…
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021…
https://github.com/doudoudedi/D-LINK_Command_Injection1/blo…
https://github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_Comman…
https://supportannouncement.us.dlink.com/announcement/publi…
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP…
https://github.com/doudoudedi/D-LINK_Command_Injection1/blo…
https://github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_Comman…
https://supportannouncement.us.dlink.com/announcement/publi…
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP…