CVE-2021-27342
MEDIUMD-Link Router DIR-842 v3.0.2 - Auth Bypass
Title source: llmDescription
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
Exploits (2)
nomisec
WORKING POC
14 stars
by mavlevin · poc
https://github.com/mavlevin/D-Link-CVE-2021-27342-exploit
References (3)
Scores
CVSS v3
5.9
EPSS
0.0743
EPSS Percentile
91.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Details
CWE
CWE-203
Status
published
Products (1)
dlink/dir-842e_firmware
< 3.0.2
Published
May 17, 2021
Tracked Since
Feb 18, 2026