CVE-2021-31757

An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN. A stack buffer overflow vulnerability in /goform/setVLAN allows attackers to execute arbitrary code on the system via a crafted post request.

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
https://github.com/Yu3H0/IoT_CVE/tree/main/Tenda/CVE_4	Exploit Third Party Advisory
https://github.com/Yu3H0/IoT_CVE/tree/main/Tenda/CVE_4	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tenda:ac11_firmware:*:*:*:*:*:*:*:*

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

History

21 Nov 2024, 06:06

Type	Values Removed	Values Added
References	~~() https://github.com/Yu3H0/IoT_CVE/tree/main/Tenda/CVE_4 - Exploit, Third Party Advisory~~	() https://github.com/Yu3H0/IoT_CVE/tree/main/Tenda/CVE_4 - Exploit, Third Party Advisory

Information

Published : 2021-05-07 23:15

Updated : 2024-11-21 06:06

NVD link : CVE-2021-31757

Mitre link : CVE-2021-31757

CVE.ORG link : CVE-2021-31757

JSON object : View

Products Affected

tenda

ac11
ac11_firmware

CWE

CWE-787

Out-of-bounds Write

{"id": "CVE-2021-31757", "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": "2021-05-07T23:15:07.107", "references": [{"url": "https://github.com/Yu3H0/IoT_CVE/tree/main/Tenda/CVE_4", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/Yu3H0/IoT_CVE/tree/main/Tenda/CVE_4", "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-787"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN. A stack buffer overflow vulnerability in /goform/setVLAN allows attackers to execute arbitrary code on the system via a crafted post request."}, {"lang": "es", "value": "Se detect\u00f3 un problema en los dispositivos Tenda AC11 con firmware hasta la versi\u00f3n 02.03.01.104_CN. Una vulnerabilidad de desbordamiento del b\u00fafer de la pila en /goform/setVLAN permite a los atacantes ejecutar c\u00f3digo arbitrario en el sistema a trav\u00e9s de una solicitud de correo manipulada"}], "lastModified": "2024-11-21T06:06:11.220", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tenda:ac11_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "08B4F9BE-9D0D-4297-A0EE-2B8D4853DD0E", "versionEndIncluding": "02.03.01.104_cn"}], "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"}