CVE-2021-44632

A Buffer Overflow vulnerability exists in TP-LINK WR-886N 20190826 2.3.8 in the /cloud_config/router_post/upgrade_info feature, which allows malicious 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/upgradeInfoRegister	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
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 10.0 v3 : 9.8
References	~~(MISC) https://github.com/Yu3H0/IoT_CVE/tree/main/886N/upgradeInfoRegister -~~	(MISC) https://github.com/Yu3H0/IoT_CVE/tree/main/886N/upgradeInfoRegister - Exploit, Third Party Advisory
CWE		CWE-120
CPE		cpe:2.3:o:tp-link:tl-wr886n_firmware:20190826_2.3.8:::::::* cpe:2.3:h:tp-link:tl-wr886n:-:::::::*

10 Mar 2022, 17:54

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-03-10 17:44

Updated : 2024-02-04 22:29

NVD link : CVE-2021-44632

Mitre link : CVE-2021-44632

CVE.ORG link : CVE-2021-44632

JSON object : View

Products Affected

tp-link

tl-wr886n_firmware
tl-wr886n

CWE

CWE-120

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

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