CVE-2021-44622

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A Buffer Overflow vulnerability exists in TP-LINK WR-886N 20190826 2.3.8 in the /cloud_config/router_post/check_reg_verify_code function which could let a remove malicious user execute arbitrary code via a crafted post request.

Se presenta una vulnerabilidad de desbordamiento del búfer en TP-LINK WR-886N 20190826 versión 2.3.8, en la función /cloud_config/router_post/check_reg_verify_code que podría permitir a un usuario malicioso eliminar la ejecución de código arbitrario por medio de una petición post diseñada

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-12-06 CVE Reserved
2022-03-09 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-11-22 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://github.com/Yu3H0/IoT_CVE/tree/main/886N/chkRegVeriRegister	2024-08-04

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Tp-link Search vendor "Tp-link"	Tl-wr886n Firmware Search vendor "Tp-link" for product "Tl-wr886n Firmware"	20190826_2.3.8 Search vendor "Tp-link" for product "Tl-wr886n Firmware" and version "20190826_2.3.8"	-	Affected	in	Tp-link Search vendor "Tp-link"	Tl-wr886n Search vendor "Tp-link" for product "Tl-wr886n"	-	-	Safe