ByteOS Network

NVD Vulnerability Details :

CVE-2021-27342

Analyzed

Source-cve@mitre.org

Published At-17 May, 2021 | 13:15

Updated At-24 May, 2021 | 20:14

An authentication brute-force protection mechanism bypass in telnetd in D-Link Router model DIR-842 firmware version 3.0.2 allows a remote attacker to circumvent the anti-brute-force cool-down delay period via a timing-based side-channel attack

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	5.9	MEDIUM	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Primary	2.0	4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:N

CPE Matches

D-Link Corporation

>>dir-842e>>r1

cpe:2.3:h:dlink:dir-842e:r1:*:*:*:*:*:*:*

D-Link Corporation

>>dir-842e_firmware>>Versions up to 3.0.2(inclusive)

cpe:2.3:o:dlink:dir-842e_firmware:*:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-203	Primary	nvd@nist.gov

References

Hyperlink	Source	Resource
https://blog.whtaguy.com/2021/05/d-link-router-cve-2021-27342.html	cve@mitre.org	Exploit Third Party Advisory
https://github.com/guywhataguy/D-Link-CVE-2021-27342-exploit/blob/main/dlink-telnet-exploit-CVE-2021-27342.py	cve@mitre.org	Exploit Third Party Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10225	cve@mitre.org	Vendor Advisory

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History