CVE-2017-18374

The ZyXEL P660HN-T1A v1 TCLinux Fw $7.3.15.0 v001 / 3.40(ULM.0)b31 router distributed by TrueOnline has two user accounts with default passwords, including a hardcoded service account with the username true and password true. These accounts can be used to login to the web interface, exploit authenticated command injections and change router settings for malicious purposes.

CVSS v3.0 8.8 HIGH
CVSS v2.0 9.0 HIGH

8.8^/10

CVSS v3.0 : HIGH

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

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

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://unit42.paloaltonetworks.com/new-mirai-variant-targets-enterprise-wireless-presentation-display-systems/	Technical Description Third Party Advisory
https://ssd-disclosure.com/index.php/archives/2910	Exploit Technical Description Third Party Advisory
https://seclists.org/fulldisclosure/2017/Jan/40	Mailing List Exploit Third Party Advisory
https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt	Exploit Third Party Advisory
http://www.zyxel.com/support/announcement_unauthenticated.shtml	Broken Link

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:billion:5200w-t_firmware:7.3.8.0:*:*:*:*:*:*:*

cpe:2.3:h:billion:5200w-t:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:zyxel:p660hn-t1a_v2_firmware:7.3.15.0:*:*:*:*:*:*:*

cpe:2.3:h:zyxel:p660hn-t1a_v2:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:zyxel:p660hn-t1a_v1_firmware:7.3.15.0:*:*:*:*:*:*:*

cpe:2.3:h:zyxel:p660hn-t1a_v1:-:*:*:*:*:*:*:*

Information

Published : 2019-05-02 10:29

Updated : 2019-05-03 12:29

NVD link : CVE-2017-18374

Mitre link : CVE-2017-18374

JSON object : View

CWE

CWE-798

Use of Hard-coded Credentials

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Products Affected

billion

5200w-t_firmware
5200w-t

zyxel

p660hn-t1a_v2
p660hn-t1a_v2_firmware
p660hn-t1a_v1_firmware
p660hn-t1a_v1

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