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CVE-2017-18374

Published: May 2, 2019Updated: Nov 21, 2024 Sources: CVE List NVDCWE-798
NVD MITRE
8.8CVSSHIGH
EPSS Score
5.5%
Top 8.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

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 Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-798

Affected Products

5200w-t firmwarebillion
Embedded
Hardware Firmware
p660hn-t1a v2 firmwarezyxelNetworking Infrastructure
p660hn-t1a v1 firmwarezyxelNetworking Infrastructure
n/an/a
billioncommercialHardware Firmware
zyxelcommercialTWNetworking Infrastructureaka zyxel communications corp.

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Credential Access
Initial Access
View detailed technique mapping

References

http://www.zyxel.com/support/announcement_unauthenticated.shtml
zyxel.com
https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt
raw.githubusercontent.com
https://seclists.org/fulldisclosure/2017/Jan/40
seclists.org
and 2 more references View all →

Timeline

Published
May 2, 2019
Last Updated
Nov 21, 2024

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