CVE-2018-6211

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.

CVSS v3.0 7.2 HIGH
CVSS v2.0 9.0 HIGH

7.2^/10

CVSS v3.0 : HIGH

Vector : AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.bleepingcomputer.com/news/security/backdoor-account-found-in-d-link-dir-620-routers/	Third Party Advisory
https://securityaffairs.co/wordpress/72839/hacking/d-link-dir-620-flaws.html	Third Party Advisory
https://securelist.com/backdoors-in-d-links-backyard/85530/	Exploit Third Party Advisory
http://www.securitynewspaper.com/2018/05/25/d-link-dir-620-routers-critical-vulnerabilities/	Third Party Advisory

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Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:o:d-link:dir-620_firmware:1.3.3:::::::*
	cpe:2.3:o:d-link:dir-620_firmware:1.3.7:::::::*
	cpe:2.3:o:d-link:dir-620_firmware:1.4.0:::::::*
	cpe:2.3:o:d-link:dir-620_firmware:2.0.22:::::::*
	cpe:2.3:o:d-link:dir-620_firmware:1.0.37:::::::*
	cpe:2.3:o:d-link:dir-620_firmware:1.0.3:::::::*
	cpe:2.3:o:d-link:dir-620_firmware:1.3.1:::::::*

cpe:2.3:h:d-link:dir-620:-:*:*:*:*:*:*:*

Information

Published : 2018-06-20 09:29

Updated : 2018-08-11 10:54

NVD link : CVE-2018-6211

Mitre link : CVE-2018-6211

JSON object : View

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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Products Affected

d-link

dir-620
dir-620_firmware

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