Vulnerability Details 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
Exploit prediction scoring system (EPSS) score
EPSS Score 0.09
EPSS Ranking 92.2%
CVSS Severity
CVSS v3 Score 5.9
CVSS v2 Score 4.3
References
- https://blog.whtaguy.com/2021/05/d-link-router-cve-2021-27342.html
- https://github.com/guywhataguy/D-Link-CVE-2021-27342-exploit/blob/main/dlink-telnet-exploit-CVE-2021-27342.py
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10225
- https://blog.whtaguy.com/2021/05/d-link-router-cve-2021-27342.html
- https://github.com/guywhataguy/D-Link-CVE-2021-27342-exploit/blob/main/dlink-telnet-exploit-CVE-2021-27342.py
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10225
Products affected by CVE-2021-27342
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cpe:2.3:h:dlink:dir-842e:r1
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cpe:2.3:o:dlink:dir-842e_firmware:-
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cpe:2.3:o:dlink:dir-842e_firmware:3.0.2