CVE-2021-46315

Remote Command Execution (RCE) vulnerability exists in HNAP1/control/SetWizardConfig.php in D-Link Router DIR-846 DIR846A1_FW100A43.bin and DIR846enFW100A53DLA-Retail.bin. Malicoius users can use this vulnerability to use "\ " or backticks in the shell metacharacters in the ssid0 or ssid1 parameters to cause arbitrary command execution. Since CVE-2019-17510 vulnerability has not been patched and improved www/hnap1/control/setwizardconfig.php, can also use line breaks and backquotes to bypass.

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/DIR-846_Command_Injection/blob/main/DIR-846_Command_Injection1.md	Exploit Third Party Advisory
https://www.dlink.com/en/security-bulletin/	Vendor Advisory
https://github.com/doudoudedi/DIR-846_Command_Injection/blob/main/DIR-846_Command_Injection1.md	Exploit Third Party Advisory
https://www.dlink.com/en/security-bulletin/	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:dlink:dir-846_firmware:100a43:*:*:*:*:*:*:*

cpe:2.3:h:dlink:dir-846:a1:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:dlink:dir-846_firmware:100a53dla:*:*:*:*:*:*:*

cpe:2.3:h:dlink:dir-846:-:*:*:*:*:*:*:*

History

21 Nov 2024, 06:33

Type	Values Removed	Values Added
References	~~() https://github.com/doudoudedi/DIR-846_Command_Injection/blob/main/DIR-846_Command_Injection1.md - Exploit, Third Party Advisory~~	() https://github.com/doudoudedi/DIR-846_Command_Injection/blob/main/DIR-846_Command_Injection1.md - Exploit, Third Party Advisory
References	~~() https://www.dlink.com/en/security-bulletin/ - Vendor Advisory~~	() https://www.dlink.com/en/security-bulletin/ - Vendor Advisory

Information

Published : 2022-02-17 22:15

Updated : 2024-11-21 06:33

NVD link : CVE-2021-46315

Mitre link : CVE-2021-46315

CVE.ORG link : CVE-2021-46315

JSON object : View

Products Affected

dlink

dir-846
dir-846_firmware

CWE

CWE-78

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

{"id": "CVE-2021-46315", "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}]}, "published": "2022-02-17T22:15:07.657", "references": [{"url": "https://github.com/doudoudedi/DIR-846_Command_Injection/blob/main/DIR-846_Command_Injection1.md", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.dlink.com/en/security-bulletin/", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/doudoudedi/DIR-846_Command_Injection/blob/main/DIR-846_Command_Injection1.md", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.dlink.com/en/security-bulletin/", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "Remote Command Execution (RCE) vulnerability exists in HNAP1/control/SetWizardConfig.php in D-Link Router DIR-846 DIR846A1_FW100A43.bin and DIR846enFW100A53DLA-Retail.bin. Malicoius users can use this vulnerability to use \"\\ \" or backticks in the shell metacharacters in the ssid0 or ssid1 parameters to cause arbitrary command execution. Since CVE-2019-17510 vulnerability has not been patched and improved www/hnap1/control/setwizardconfig.php, can also use line breaks and backquotes to bypass."}, {"lang": "es", "value": "Se presenta una vulnerabilidad de Ejecuci\u00f3n de Comandos Remota (RCE) en el archivo HNAP1/control/SetWizardConfig.php en el router D-Link DIR-846 DIR846A1_FW100A43.bin y DIR846enFW100A53DLA-Retail.bin. Los usuarios maliciosos pueden usar esta vulnerabilidad para usar \"\\ ~\" o backticks en los metacaracteres del shell en los par\u00e1metros ssid0 o ssid1 para causar una ejecuci\u00f3n de comandos arbitrarios. Desde que la vulnerabilidad CVE-2019-17510 no ha sido parcheada y mejorada www/hnap1/control/setwizardconfig.php, tambi\u00e9n puede usar saltos de l\u00ednea y comillas traseras para eludirla"}], "lastModified": "2024-11-21T06:33:52.287", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dir-846_firmware:100a43:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3294C98A-8C06-4E84-BB77-5D539360FEFB"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dir-846:a1:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "463CF40F-BF42-4440-A62D-F32E162E8852"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dir-846_firmware:100a53dla:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "43DB2C54-7976-400B-A2C7-24F986E1303B"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dir-846:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "77723994-0E2A-4A90-B2C6-5B262CBBAFA1"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}

9.8 /10