Vulnerability Name:

CVE-2018-6212

Assigned:2018-01-15
Published:2018-01-15
Updated:2018-08-11
Summary: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, a reflected Cross-Site Scripting (XSS) attack is possible as a result of missed filtration for special characters in the "Search" field and incorrect processing of the XMLHttpRequest object.
CVSS v3 Severity:6.1 Medium (CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.2 Medium (Temporal CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:W/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
6.1 Medium (CCN CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.2 Medium (CCN Temporal CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:W/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-79
References:Source: MISC
Type: VENDOR_ADVISORY
http://www.securitynewspaper.com/2018/05/25/d-link-dir-620-routers-critical-vulnerabilities/

Source: XF
Type: UNKNOWN
dlink-dir620-cve20186212-xss(145158)

Source: MISC
Type: VENDOR_ADVISORY
https://securelist.com/backdoors-in-d-links-backyard/85530/

Source: MISC
Type: VENDOR_ADVISORY
https://securityaffairs.co/wordpress/72839/hacking/d-link-dir-620-flaws.html

Source: MISC
Type: VENDOR_ADVISORY
https://www.bleepingcomputer.com/news/security/backdoor-account-found-in-d-link-dir-620-routers/

Vulnerable Configuration:Configuration 1:
  • cpe:/o:d-link:dir-620_firmware:1.0.3:*:*:*:*:*:*:*
  • OR cpe:/o:d-link:dir-620_firmware:1.0.37:*:*:*:*:*:*:*
  • OR cpe:/o:d-link:dir-620_firmware:1.3.1:*:*:*:*:*:*:*
  • OR cpe:/o:d-link:dir-620_firmware:1.3.3:*:*:*:*:*:*:*
  • OR cpe:/o:d-link:dir-620_firmware:1.3.7:*:*:*:*:*:*:*
  • OR cpe:/o:d-link:dir-620_firmware:1.4.0:*:*:*:*:*:*:*
  • OR cpe:/o:d-link:dir-620_firmware:2.0.22:*:*:*:*:*:*:*
  • AND
  • cpe:/h:d-link:dir-620:-:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    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
    d-link dir-620 -