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Zyxel Access Point Hardcoded FTP Credential Vulnerability

Information

Severity

Severity

Medium

Family

Family

Default Accounts

CVSSv2 Base

CVSSv2 Base

6.4

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:N

Solution Type

Solution Type

Vendor Patch

Created

Created

3 years ago

Modified

Modified

3 years ago

Summary

Zyxel access points are affected by a hardcoded FTP credential vulnerability.

Insight

Insight

The FTP server can be accessed with hardcoded credentials that are embedded in the firmware of the AP. When the WiFi network is bound to another VLAN, an attacker can cross the network by fetching the credentials from the FTP server.

Detection Method

Detection Method

Check if it is possible to login with hardcoded credentials.

Solution

Solution

See the referenced vendor advisory for a solution.