Vulnerability Note VU#228886

ZTE ZXV10 W300 router contains hardcoded credentials

Original Release date: 03 Feb 2014 | Last revised: 14 Mar 2014

Overview

ZTE ZXV10 W300 router version 2.1.0, and possibly earlier versions, contains hardcoded credentials. (CWE-798)

Description

ZTE ZXV10 W300 router contains hardcoded credentials that are useable for the telnet service on the device. The username is "admin" and the password is "XXXXairocon" where "XXXX" is the last four characters of the device's MAC address. The MAC address is obtainable over SNMP with community string public.

The vendor has provided a statement about this vulnerability.

Impact

A remote unauthenticated attacker may be able to obtain the MAC address of the device and log into the telnet service of the device with hardcoded credentials.

Solution

We are currently unaware of a practical solution to this problem. Please consider the following workaround.

Restrict Access

Enable firewall rules so the telnet service of the device is not accessible to untrusted sources. Enable firewall rules that block SNMP on the device.

Vendor Information (Learn More)

VendorStatusDate NotifiedDate Updated
ZTE CorporationAffected03 Dec 201314 Mar 2014
If you are a vendor and your product is affected, let us know.

CVSS Metrics (Learn More)

Group Score Vector
Base 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C
Temporal 7.2 E:POC/RL:W/RC:UC
Environmental 5.4 CDP:ND/TD:M/CR:ND/IR:ND/AR:ND

References

Credit

Thanks to Cesar Neira for reporting this vulnerability.

This document was written by Jared Allar.

Other Information

  • CVE IDs: CVE-2014-0329
  • Date Public: 03 Feb 2014
  • Date First Published: 03 Feb 2014
  • Date Last Updated: 14 Mar 2014
  • Document Revision: 10

Feedback

If you have feedback, comments, or additional information about this vulnerability, please send us email.