VULNERABILITY INTELLIGENCE

CVE-2021-27342

CVSS score5.9 MEDIUM
EPSS probability4.56%
CISA KEVNot currently listed
Published2021-05-17
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

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

Weakness classification

  • nvd@nist.gov: CWE-203

Primary references