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Vulnerability record · CVE-2015-7257 · published 24 August 2017

CVE-2015-7257: Zte zxv10 w300 firmware weak password recovery vulnerability

Zte · Zxv10 W300 Firmware

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".

7.5 CVSS 3.0 High EPSS 6.7% · top 6.3% CWE-640 · Weak password recovery
7.5CVSS 3.0 base score, v2 8.5
6.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

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".

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/134336/ZTE-ADSL-Authorization-Bypass-Information-Disclosure.html Third Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/134493/ZTE-ADSL-ZXV10-W300-Authorization-Disclosure-Backdoor.html Third Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2015/Nov/48 Mailing ListThird Party Advisory
https://www.exploit-db.com/exploits/38772/ Third Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/134336/ZTE-ADSL-Authorization-Bypass-Information-Disclosure.html Third Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/134493/ZTE-ADSL-ZXV10-W300-Authorization-Disclosure-Backdoor.html Third Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2015/Nov/48 Mailing ListThird Party Advisory
https://www.exploit-db.com/exploits/38772/ Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2015-7258Zte zxv10 w300 firmware vulnerabilityZTE 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 …EPSS 13%8.8CVE-2015-7259Zte zxv10 w300 firmware vulnerabilityZTE ADSL ZXV10 W300 modems W300V2.1.0f_ER7_PE_O57 and W300V2.1.0h_ER7_PE_O57 allow user accounts to have multiple valid username and password pairs, …EPSS 9.5%7.8CVE-2014-4018Zte zxv10 w300 firmware vulnerabilityThe ZTE ZXV10 W300 router with firmware W300V1.0.0a_ZRD_LK has a default password of admin for the admin account, which makes it easier for remote at…EPSS 6.3%7.5CVE-2014-4019Zte zxv10 w300 firmware information exposure vulnerabilityZTE ZXV10 W300 router with firmware W300V1.0.0a_ZRD_LK stores sensitive information under the web root with insufficient access control, which allows…EPSS 13%6.8CVE-2014-4155Zte zxv10 w300 firmware cross-site request forgery vulnerabilityCross-site request forgery (CSRF) vulnerability in the ZTE ZXV10 W300 router with firmware W300V1.0.0a_ZRD_LK allows remote attackers to hijack the a…EPSS 2.3%6.5CVE-2015-8703Zte zxhn h108n r1a firmware information exposure vulnerabilityZTE ZXHN H108N R1A devices before ZTE.bhs.ZXHNH108NR1A.k_PE and ZXV10 W300 devices W300V1.0.0f_ER1_PE allow remote authenticated users to bypass inte…EPSS 4.9%5.0CVE-2014-4154Zte zxv10 w300 firmware permissions and access controls vulnerabilityZTE ZXV10 W300 router with firmware W300V1.0.0a_ZRD_LK stores sensitive information under the web root with insufficient access control, which allows…EPSS 6.6%9.8CVE-2023-7028GitLab CE/EE password reset sent to unverified email, enabling account takeoverGitLab CE/EE versions from 16.1 through 16.7 before their fixed releases could deliver account password reset emails to an unverified email address. …KEVEPSS 95%analysed

Source: NIST National Vulnerability Database (record CVE-2015-7257), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.