CVE-2015-7257

Zxv10 W300 Firmware vulnerability

CVSS

7.5

EPSS

6.7%

EPSS pct

93th

Exploited

No known

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".

Affected vendor

Zte

Affected product

Zxv10 W300 Firmware

CVSS vector

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

Weakness type (CWE)

CWE-640 — Weak Password Recovery Mechanism

Published

2017-08-24

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 6.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2015-7257

Confirm whether Zte Zxv10 W300 Firmware is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2015-7257.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2015-7257

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