Vendor of Product: Tenda

Affected Product and Version: AC18 V15.03.05.19

Description: In Tenda AC18 V15.03.05.19, there is a insecure configuration vulnerability. The configuration property null passwords in samba configuration file is enabled, it allows client access to accounts that have null passwords. This misconfiguration can be exploited by remote attackers to gain unauthorized access to shared resources without proper authentication, potentially leading to information disclosure or unauthorized data manipulation.

Detail:

In the Tenda AC18 firmware, the partial content of /etc_ro/smb.conf is as follows.

[global]
    ......
    null passwords = yes
    ......

Obviously, there is a insecure configuration here. The configuration property null passwords in samba configuration file is enabled, it allows client access to accounts that have null passwords.

This misconfiguration can be exploited by remote attackers to gain unauthorized access to shared resources without proper authentication, potentially leading to information disclosure or unauthorized data manipulation.