CVE-2015-7257

HIGH

ZTE Zxv10 W300 Firmware - Password Reset Weakness

Title source: rule
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2015-7257. PoCs published by Karn Ganeshen.

AI-analyzed exploit summary The document describes multiple vulnerabilities in ZTE ADSL ZXV10 W300 modems, including insufficient authorization controls (CVE-2015-7257), sensitive information disclosure (CVE-2015-7258), and a potential backdoor account feature (CVE-2015-7259). It provides steps to reproduce each vulnerability but does not include executable exploit code.

Description

ZTE ADSL ZXV10 W300 modems W300V2.1.0f_ER7_PE_O57 and W300V2.1.0h_ER7_PE_O57 allow remote authenticated non-administrator users to change the admin password by intercepting an outgoing password change request, and changing the username parameter from "support" to "admin".

Exploits (1)

exploitdb WRITEUP
by Karn Ganeshen · textwebappshardware
https://www.exploit-db.com/exploits/38772

The document describes multiple vulnerabilities in ZTE ADSL ZXV10 W300 modems, including insufficient authorization controls (CVE-2015-7257), sensitive information disclosure (CVE-2015-7258), and a potential backdoor account feature (CVE-2015-7259). It provides steps to reproduce each vulnerability but does not include executable exploit code.

Classification
Writeup 100%
Attack Type
Auth Bypass | Info Leak | Other
Complexity
Trivial
Reliability
Reliable
Target: ZTE ADSL ZXV10 W300 modems (W300V2.1.0f_ER7_PE_O57 and W300V2.1.0h_ER7_PE_O57)
Auth required
Prerequisites: Network access to the target device · Valid credentials for a non-admin user (e.g., 'support')
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/38772/
Mailing List, Third Party Advisory mailing-list x_refsource_fulldisc
http://seclists.org/fulldisclosure/2015/Nov/48

Scores

CVSS v3 7.5
EPSS 0.0671
EPSS Percentile 93.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-640
Status published
Products (2)
zte/zxv10_w300_firmware w300v2.1.0f_er7_pe_o57
zte/zxv10_w300_firmware w300v2.1.0h_er7_pe_o57
Published Aug 24, 2017
Tracked Since Feb 18, 2026