Vulnerability-Lookup

VAR-201708-0145

Vulnerability from variot - Updated: 2025-04-20 23:27

ZTE ADSL ZXV10 W300 modems W300V2.1.0f_ER7_PE_O57 and W300V2.1.0h_ER7_PE_O57 allow remote authenticated users to obtain user passwords by displaying user information in a Telnet connection. ZTE ADSL ZXV10 W300 Modems contain vulnerabilities related to certificate and password management.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. ZTEADSLZXV10W300 is an ADSL modem (Modem) product from China ZTE Corporation (ZTE). A security vulnerability exists in the ZTEADSLZXV10W300W300V2.1.0f_ER7_PE_O57 version and the W300V2.1.0h_ER7_PE_O57 version. There are security vulnerabilities in ZTE ADSL ZXV10 W300 W300V2.1.0f_ER7_PE_O57 and W300V2.1.0h_ER7_PE_O57. Other functions may be vulnerable as well.

Expected behavior:

Only administrative 'admin' user should be able to change password for all the device users. 'support' is a diagnostic user with restricted privileges. It can change only its own password.

Steps to reproduce:

a. Login as user 'support' password XXX

b. Access Password Change page - http:///password.htm

c. Submit request

d. Intercept and Tamper the parameter username change from 'support' to 'admin'

CVE-ID: CVE-2015-7258

Steps to reproduce:

$ telnet

Trying ...

Connected to .

Escape character is '^]'.

User Access Verification

Username: admin

Password: < admin/XXX1

$sh

ADSL#login show <-- shows user information

Username Password Priority

admin password1 2

support password2 0

admin password3 1

3 *(Potential) Backdoor account feature - *insecure account management

Same login account can exist on the device, multiple times, each with different priority#. It is possible to log in to device with either of the username/password combination.

CVE-ID: CVE-2015-7259

It is considered as a (redundant) login support feature.

Steps to reproduce:

$ telnet

Trying ...

Connected to .

Escape character is '^]'.

User Access Verification

Username: admin

Password: <-- admin/password3

$sh

ADSL#login show

Username Password Priority

admin password1 2

support password2 0

admin password3 1

+++++

Best Regards,

Karn Ganeshen

Best Regards, Karn Ganeshen

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CVE-2015-7258 (GCVE-0-2015-7258)

Vulnerability from cvelistv5 – Published: 2017-08-24 20:00 – Updated: 2024-08-06 07:43

Summary

ZTE ADSL ZXV10 W300 modems W300V2.1.0f_ER7_PE_O57 and W300V2.1.0h_ER7_PE_O57 allow remote authenticated users to obtain user passwords by displaying user information in a Telnet connection.

Severity

No CVSS data available.

CWE

Assigner

certcc CNA under the mitre root

CNA scorecard E 42/100 over 157 records in the last 180 days details

References

4 references

URL	Tags
https://www.exploit-db.com/exploits/38772/	exploitx_refsource_EXPLOIT-DB
http://seclists.org/fulldisclosure/2015/Nov/48	mailing-listx_refsource_FULLDISC
http://packetstormsecurity.com/files/134493/ZTE-A…	x_refsource_MISC
http://packetstormsecurity.com/files/134336/ZTE-A…	x_refsource_MISC

Date Public

2015-11-10 00:00

Show details on NVD website

JSON

To clipboard

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Sightings

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Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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VAR-201708-0145

Karn Ganeshen

CVE-2015-7258 (GCVE-0-2015-7258)

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