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CVE-2021-44622 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/Yu3H0/IoT_CVE/tree/main/886N/chkRegVeriRegister	CVE	ExploitThird Party Advisory
https://github.com/Yu3H0/IoT_CVE/tree/main/886N/chkRegVeriRegister	[email protected]	ExploitThird Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-120	Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')	[email protected]

Affected Products

Product	Versions
tp-link tl-wr886n firmware	20190826_2.3.8
CPE cpe:2.3:o:tp-link:tl-wr886n_firmware:20190826_2.3.8:::::::* Remediation No remediation found in references.
tp-link tl-wr886n	All versions
CPE cpe:2.3:h:tp-link:tl-wr886n:-:::::::* Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Mar 12, 2022	Initial Analysis	[email protected]