CVE-2021-45382

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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_Command_injection.md	Exploit Third Party Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10264	Vendor Advisory
https://github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_Command_injection.md	Exploit Third Party Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10264	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:dlink:dir-820l_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:dlink:dir-820l:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:dlink:dir-820lw_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:dlink:dir-820lw:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:dlink:dir-826l_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:dlink:dir-826l:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:dlink:dir-830l_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:dlink:dir-830l:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND

cpe:2.3:o:dlink:dir-836l_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:dlink:dir-836l:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND

cpe:2.3:o:dlink:dir-810l_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:dlink:dir-810l:-:*:*:*:*:*:*:*

History

21 Nov 2024, 06:32

Type	Values Removed	Values Added
References	~~() https://github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_Command_injection.md - Exploit, Third Party Advisory~~	() https://github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_Command_injection.md - Exploit, Third Party Advisory
References	~~() https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10264 - Vendor Advisory~~	() https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10264 - Vendor Advisory

08 Aug 2023, 14:21

Type	Values Removed	Values Added
CWE	~~CWE-77~~	CWE-78

Information

Published : 2022-02-17 21:15

Updated : 2025-04-03 19:48

NVD link : CVE-2021-45382

Mitre link : CVE-2021-45382

CVE.ORG link : CVE-2021-45382

JSON object : View

Products Affected

dlink

dir-820lw
dir-810l
dir-836l_firmware
dir-810l_firmware
dir-830l_firmware
dir-820l
dir-826l
dir-820lw_firmware
dir-836l
dir-820l_firmware
dir-830l
dir-826l_firmware

CWE

CWE-78

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

{"id": "CVE-2021-45382", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 10.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2022-02-17T21:15:07.737", "references": [{"url": "https://github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_Command_injection.md", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10264", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/doudoudedi/D-LINK_Command_Injection1/blob/main/D-LINK_Command_injection.md", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10264", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-78"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Se presenta una vulnerabilidad de Ejecuci\u00f3n de Comandos Remota (RCE) en todas las revisiones H/W de la serie de routers D-link DIR-810L, DIR-820L/LW, DIR-826L, DIR-830L y DIR-836L por medio de la funci\u00f3n DDNS en el archivo binario ncc2. Nota: Los DIR-810L, DIR-820L, DIR-830L, DIR-826L, DIR-836L, todas las revisiones de hardware, han llegado al final de su vida \u00fatil (\"EOL\") / fin de la vida \u00fatil (\"EOS\") y, por lo tanto, este problema no ser\u00e1 parcheado"}], "lastModified": "2025-04-03T19:48:43.603", "cisaActionDue": "2022-04-25", "cisaExploitAdd": "2022-04-04", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dir-820l_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BC65DE67-1143-4165-BCE2-1EBEB2510003"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dir-820l:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "88CE60CD-DCDA-43E0-80A9-257557EDBC29"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dir-820lw_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C5D0B0B3-29C1-4143-B1C2-D228AA9694B8"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dir-820lw:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "9CFE3EE8-70B8-4A1D-A449-A31B3E4897AB"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dir-826l_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2B65A1C2-670D-49A3-91D4-B592815CC6D7"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dir-826l:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "36554D63-D4A3-499A-BD79-8C8729CB003E"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dir-830l_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E09C68C8-3CCF-43A9-AE31-011F08A93F55"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dir-830l:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "889685BB-EFD4-46CA-BBF1-F215DAD02C92"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dir-836l_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5D284E3D-970D-41A7-B7CA-B531D2BE5666"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dir-836l:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "EE2ED91B-738D-448B-B7E0-D869539571F1"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dir-810l_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0C56CE73-9B68-4A0A-A2A3-878D90A0D4EF"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dir-810l:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "8B79563C-609A-4F9F-8F2F-FFF3D10E6684"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org", "cisaRequiredAction": "The impacted product is end-of-life and should be disconnected if still in use.", "cisaVulnerabilityName": "D-Link Multiple Routers Remote Code Execution Vulnerability"}

9.8 /10