CVE-2021-44631

A Buffer Overflow vulnerability exists in TP-LINK WR-886N 20190826 2.3.8 in the /cloud_config/router_post/reset_cloud_pwd feature, which allows malicous users 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/886N/resetCloudPwdRegister	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tp-link:tl-wr886n_firmware:20190826_2.3.8:*:*:*:*:*:*:*

cpe:2.3:h:tp-link:tl-wr886n:-:*:*:*:*:*:*:*

History

12 Mar 2022, 04:23

Type	Values Removed	Values Added
References	~~(MISC) https://github.com/Yu3H0/IoT_CVE/tree/main/886N/resetCloudPwdRegister -~~	(MISC) https://github.com/Yu3H0/IoT_CVE/tree/main/886N/resetCloudPwdRegister - Exploit, Third Party Advisory
First Time		Tp-link Tp-link tl-wr886n Firmware Tp-link tl-wr886n
CPE		cpe:2.3:o:tp-link:tl-wr886n_firmware:20190826_2.3.8:::::::* cpe:2.3:h:tp-link:tl-wr886n:-:::::::*
CWE		CWE-120
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 10.0 v3 : 9.8

10 Mar 2022, 17:54

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-03-10 17:44

Updated : 2023-12-10 14:22

NVD link : CVE-2021-44631

Mitre link : CVE-2021-44631

CVE.ORG link : CVE-2021-44631

JSON object : View

Products Affected

tp-link

tl-wr886n
tl-wr886n_firmware

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

{"id": "CVE-2021-44631", "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": "2022-03-10T17:44:21.703", "references": [{"url": "https://github.com/Yu3H0/IoT_CVE/tree/main/886N/resetCloudPwdRegister", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-120"}]}], "descriptions": [{"lang": "en", "value": "A Buffer Overflow vulnerability exists in TP-LINK WR-886N 20190826 2.3.8 in the /cloud_config/router_post/reset_cloud_pwd feature, which allows malicous users to execute arbitrary code on the system via a crafted post request."}, {"lang": "es", "value": "Se presenta una vulnerabilidad de desbordamiento del b\u00fafer en TP-LINK WR-886N 20190826 versi\u00f3n 2.3.8, en la funcionalidad /cloud_config/router_post/reset_cloud_pwd, que permite a usuarios maliciosos ejecutar c\u00f3digo arbitrario en el sistema por medio de una petici\u00f3n post dise\u00f1ada"}], "lastModified": "2022-03-12T04:23:03.837", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tp-link:tl-wr886n_firmware:20190826_2.3.8:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2E3035F0-DE4D-42B4-BD0A-DE3B67F1835C"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tp-link:tl-wr886n:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "83F5B564-7287-45CE-855E-8208C3A07B53"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}