Vulnerability in Dlink Dir-842e
CVE-2021-27342
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
EPSS: 0.046 (90.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Dlink Dir-842e — versions r1
- Dlink Dir-842e_firmware
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-27342?
- CVE-2021-27342 is a medium-severity vulnerability in Dlink Dir-842e, classified under Observable Discrepancy. CVSS score: 5.9/10. Published 2021-05-17.
- How severe is CVE-2021-27342?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2021-27342 known to be exploited?
- 14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.