CVE-2021-46263

Tenda AC Series Router AC11_V02.03.01.104_CN was discovered to contain a stack buffer overflow in the wifiTime module. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 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

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/Ainevsia/CVE-Request/tree/main/Tenda/11	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tenda:ac11_firmware:02.03.01.104_cn:*:*:*:*:*:*:*

cpe:2.3:h:tenda:ac11:-:*:*:*:*:*:*:*

History

23 Feb 2022, 16:31

Type	Values Removed	Values Added
CPE		cpe:2.3:o:tenda:ac11_firmware:02.03.01.104_cn:::::::* cpe:2.3:h:tenda:ac11:-:::::::*
CWE		CWE-787
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8
References	~~(MISC) https://github.com/Ainevsia/CVE-Request/tree/main/Tenda/11 -~~	(MISC) https://github.com/Ainevsia/CVE-Request/tree/main/Tenda/11 - Exploit, Third Party Advisory

15 Feb 2022, 20:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-02-15 20:15

Updated : 2024-02-04 22:29

NVD link : CVE-2021-46263

Mitre link : CVE-2021-46263

CVE.ORG link : CVE-2021-46263

JSON object : View

Products Affected

tenda

ac11_firmware
ac11

CWE

CWE-787

Out-of-bounds Write

{"id": "CVE-2021-46263", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "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": "2022-02-15T20:15:07.587", "references": [{"url": "https://github.com/Ainevsia/CVE-Request/tree/main/Tenda/11", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "Tenda AC Series Router AC11_V02.03.01.104_CN was discovered to contain a stack buffer overflow in the wifiTime module. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data."}, {"lang": "es", "value": "Se ha detectado que el router Tenda AC Series versi\u00f3n AC11_V02.03.01.104_CN, contiene un desbordamiento del b\u00fafer de la pila en el m\u00f3dulo wifiTime. Esta vulnerabilidad permite a atacantes causar una denegaci\u00f3n de servicio (DoS) por medio de datos de desbordamiento dise\u00f1ados"}], "lastModified": "2022-02-23T16:31:53.267", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tenda:ac11_firmware:02.03.01.104_cn:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F3B27213-BB07-4FC1-B1BD-27920A125681"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tenda:ac11:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "8850E87F-3B1D-4D24-8F22-B358B27EE582"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}