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CVE-2020-8962 Details

Description

A stack-based buffer overflow was found on the D-Link DIR-842 REVC with firmware v3.13B09 HOTFIX due to the use of strcpy for LOGINPASSWORD when handling a POST request to the /MTFWU endpoint.

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://ctrsec.io/index.php/2020/02/12/cve-2020-8962-d-link-dir-842-stack-based-buffer-overflow/	CVE	ExploitThird Party Advisory
https://ctrsec.io/index.php/2020/02/12/cve-2020-8962-d-link-dir-842-stack-based-buffer-overflow/	[email protected]	ExploitThird Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	[email protected]

Affected Products

Product	Versions
dlink dir-842 firmware	3.13b09
CPE cpe:2.3:o:dlink:dir-842_firmware:3.13b09:::::::* Remediation No remediation found in references.
dlink dir-842	c
CPE cpe:2.3:h:dlink:dir-842:c:::::::* 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]
Feb 18, 2020	Initial Analysis	[email protected]