CVE-2015-7257

Name: CVE-2015-7257
Creator: NVD / NIST
Published: 2017-08-24T20:29:00.393+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 6.71%

Last modified Jun 17, 2026

CVE-2015-7257 is a vulnerability of currently unknown severity. 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".. EPSS estimates a 6.71% chance of exploitation in the next 30 days.

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".

Metrics

EPSS Probability

6.71%

93.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-640

Affected Software

Vendor	Product	Versions
Zte	Zxv10 W300 Firmware	w300v2.1.0f_er7_pe_o57
Zte	Zxv10 W300 Firmware	w300v2.1.0h_er7_pe_o57

References

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

Timeline

Published: Aug 24, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-7257?

How severe is CVE-2015-7257?

Severity scoring for CVE-2015-7257 is pending analysis. The EPSS model estimates a 6.71% probability of exploitation in the next 30 days.

How do I fix CVE-2015-7257?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-7257?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST