CVE-2018-17208

Linksys Velop 1.1.2.187020 devices allow unauthenticated command injection, providing an attacker with full root access, via cgi-bin/zbtest.cgi or cgi-bin/zbtest2.cgi (scripts that can be discovered with binwalk on the firmware, but are not visible in the web interface). This occurs because shell metacharacters in the query string are mishandled by ShellExecute, as demonstrated by the zbtest.cgi?cmd=level&level= substring. This can also be exploited via CSRF.

CVSS v3.0 8.8 HIGH
CVSS v2.0 9.3 HIGH

8.8^/10

CVSS v3.0 : HIGH

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

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.3^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:M/Au:N/C:C/I:C/A:C

Exploitability : 8.6 / Impact : 10.0

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://langkjaer.com/velop.html	Exploit Technical Description Third Party Advisory

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:linksys:velop_firmware:1.1.2.187020:*:*:*:*:*:*:*

cpe:2.3:h:linksys:velop:-:*:*:*:*:*:*:*

Information

Published : 2018-09-19 10:29

Updated : 2019-10-02 17:03

NVD link : CVE-2018-17208

Mitre link : CVE-2018-17208

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

linksys

velop
velop_firmware

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