CVE-2015-7257
ZTE ADSL ZXV10 W300 modems W300V2.1.0f_ER7_PE_O57 and W300V2.1.0h_ER7_PE_O57 allow remote...
CVE-2015-7257 is a high vulnerability (CVSS 7.5) in Zte Zxv10 W300 Firmware, published August 24, 2017. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 6.71%, the 94th percentile. No source names a fixed version.
- Severity
- 7.5 HighCVSS 3.0, NVD
- Exploit chance
- 6.71%EPSS, 94th percentile
- Exploitation
- None known1 public exploit
- Fixed in
- No fix listedNo source names one
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".
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | ZTE ADSL ZXV10 W300 Modems - Multiple Vulnerabilities | 2015-11-20 |
What each source reports
NVD Score used 7.5
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".
- Record
CVE-2015-7257- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 8.5 High
AV:N/AC:M/Au:S/C:C/I:C/A:C - Weakness
- CWE-640
- Updated
- 2026-11-02
CVE ListNo score
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".
- Record
CVE-2015-7257- Updated
- 2026-11-02
EUVDEUVD-2015-7188No score
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".
- Record
EUVD-2015-7188- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-748x-222r-qc52 7.5
ZTE ADSL ZXV10 W300 modems W300V2.1.0f_ER7_PE_O57 and W300V2.1.0h_ER7_PE_O57 allow remote...
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".
- Record
GHSA-748x-222r-qc52- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-640
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
exploit-db.com/exploits/38772
seclists.org/fulldisclosure/2015/Nov/48
packetstormsecurity.com/files/134493/ZTE-ADSL-ZXV10-W300-Authorization-Disclosure-Backdoor.html
packetstormsecurity.com/files/134336/ZTE-ADSL-Authorization-Bypass-Information-Disclosure.html
nvd.nist.gov/vuln/detail/CVE-2015-7257
github.com/advisories/GHSA-748x-222r-qc52