CVE-2018-6211
HIGHD-Link DIR-620 Firmware <=2.0.22 - OS Command Injection via index.cgi
Title source: llmDescription
On D-Link DIR-620 devices with a certain customized (by ISP) variant of firmware 1.0.3, 1.0.37, 1.3.1, 1.3.3, 1.3.7, 1.4.0, and 2.0.22, OS command injection is possible as a result of incorrect processing of the res_buf parameter to index.cgi.
References (4)
Core 4
Core References
Third Party Advisory x_refsource_misc
https://securityaffairs.co/wordpress/72839/hacking/d-link-dir-620-flaws.html
Third Party Advisory x_refsource_misc
https://www.bleepingcomputer.com/news/security/backdoor-account-found-in-d-link-dir-620-routers/
Exploit, Third Party Advisory x_refsource_misc
https://securelist.com/backdoors-in-d-links-backyard/85530/
Third Party Advisory x_refsource_misc
http://www.securitynewspaper.com/2018/05/25/d-link-dir-620-routers-critical-vulnerabilities/
Scores
CVSS v3
7.2
EPSS
0.0577
EPSS Percentile
92.2%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-78
Status
published
Products (7)
d-link/dir-620_firmware
1.0.3
d-link/dir-620_firmware
1.0.37
d-link/dir-620_firmware
1.3.1
d-link/dir-620_firmware
1.3.3
d-link/dir-620_firmware
1.3.7
d-link/dir-620_firmware
1.4.0
d-link/dir-620_firmware
2.0.22
Published
Jun 20, 2018
Tracked Since
Feb 18, 2026