CVE-2021-27342

· MEDIUMModified

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CVSS v3.1

5.9

EPSS

4.56%

Published

May 17, 2021

Modified

Nov 21, 2024

Public PoC / Exploit (1)

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Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

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

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Weaknesses (CWE)

CWE-203

Affected Products (2)

dlink · dir-842e_firmwarevulnerable

dlink · dir-842e

References (6)

https://blog.whtaguy.com/2021/05/d-link-router-cve-2021-27342.html

ExploitThird Party Advisory

https://github.com/guywhataguy/D-Link-CVE-2021-27342-exploit/blob/main/dlink-telnet-exploit-CVE-2021-27342.py

ExploitThird Party Advisory

https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10225

Vendor Advisory

https://blog.whtaguy.com/2021/05/d-link-router-cve-2021-27342.html

ExploitThird Party Advisory

https://github.com/guywhataguy/D-Link-CVE-2021-27342-exploit/blob/main/dlink-telnet-exploit-CVE-2021-27342.py

ExploitThird Party Advisory

https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10225

Vendor Advisory

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