CVE-2021-26747

Netis WF2780 2.3.40404 and WF2411 1.1.29629 devices allow Shell Metacharacter Injection into the ping command, leading to remote code execution.

CVSS v3 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3 : CRITICAL

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

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
http://www.netis-systems.com.tw/	Product Vendor Advisory
https://github.com/yhstar00/netis-route	Exploit Third Party Advisory
http://www.netis-systems.com.tw/	Product Vendor Advisory
https://github.com/yhstar00/netis-route	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:netis-systems:wf2780_firmware:2.3.40404:*:*:*:*:*:*:*

cpe:2.3:h:netis-systems:wf2780:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:netis-systems:wf2411_firmware:1.1.29629:*:*:*:*:*:*:*

cpe:2.3:h:netis-systems:wf2411:-:*:*:*:*:*:*:*

History

21 Nov 2024, 05:56

Type	Values Removed	Values Added
References	~~() http://www.netis-systems.com.tw/ - Product, Vendor Advisory~~	() http://www.netis-systems.com.tw/ - Product, Vendor Advisory
References	~~() https://github.com/yhstar00/netis-route - Exploit, Third Party Advisory~~	() https://github.com/yhstar00/netis-route - Exploit, Third Party Advisory

Information

Published : 2021-02-18 21:15

Updated : 2024-11-21 05:56

NVD link : CVE-2021-26747

Mitre link : CVE-2021-26747

CVE.ORG link : CVE-2021-26747

JSON object : View

Products Affected

netis-systems

wf2780_firmware
wf2411_firmware
wf2411
wf2780

CWE

CWE-78

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

{"id": "CVE-2021-26747", "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": "2021-02-18T21:15:11.510", "references": [{"url": "http://www.netis-systems.com.tw/", "tags": ["Product", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/yhstar00/netis-route", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.netis-systems.com.tw/", "tags": ["Product", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/yhstar00/netis-route", "tags": ["Exploit", "Third Party 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": "Netis WF2780 2.3.40404 and WF2411 1.1.29629 devices allow Shell Metacharacter Injection into the ping command, leading to remote code execution."}, {"lang": "es", "value": "Los dispositivos Netis WF2780 versi\u00f3n 2.3.40404 y WF2411 versi\u00f3n 1.1.29629, permiten una inyecci\u00f3n de metacaracteres de Shell en el comando ping, conllevando a una ejecuci\u00f3n de c\u00f3digo remota"}], "lastModified": "2024-11-21T05:56:47.490", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netis-systems:wf2780_firmware:2.3.40404:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "61FB4154-156D-4AEB-B648-8B2B7B778C16"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netis-systems:wf2780:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "97B8E231-D7D6-4667-9B55-D8B00860B2CB"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netis-systems:wf2411_firmware:1.1.29629:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BD3F4877-E669-4E60-BF00-9FBC00E371F3"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netis-systems:wf2411:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F193A5C4-1878-4941-B009-5AEF3BE290BD"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}