CVE-2018-6211 Information

Description

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 Vector

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Reference

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

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.2