H8951-4G-Esp Firmware Security Vulnerabilities

CVE-2023-49253

Root user password is hardcoded into the device and cannot be changed in the user interface.

CVE-2023-49254

Authenticated user can execute arbitrary commands in the context of the root user by providing payload in the "destination" field of the network test tools. This is similar to the vulnerability CVE-2021-28151 mitigated on the user interface level by blacklisting characters with JavaScript, however,...

CVE-2023-49255

The router console is accessible without authentication at "data" field, and while a user needs to be logged in in order to modify the configuration, the session state is shared. If any other user is currently logged in, the anonymous user can execute commands in the context of the authenticated on...

CVE-2023-49256

It is possible to download the configuration backup without authorization and decrypt included passwords using hardcoded static key.

CVE-2023-49257

An authenticated user is able to upload an arbitrary CGI-compatible file using the certificate upload utility and execute it with the root user privileges.

CVE-2023-49258

User browser may be forced to execute JavaScript and pass the authentication cookie to the attacker leveraging the XSS vulnerability located at "/gui/terminal_tool.cgi" in the "data" parameter.

CVE-2023-49259

The authentication cookies are generated using an algorithm based on the username, hardcoded secret and the up-time, and can be guessed in a reasonable time.

CVE-2023-49260

An XSS attack can be performed by changing the MOTD banner and pointing the victim to the "terminal_tool.cgi" path. It can be used together with the vulnerability CVE-2023-49255.

CVE-2023-49261

The "tokenKey" value used in user authorization is visible in the HTML source of the login page.

CVE-2023-49262

The authentication mechanism can be bypassed by overflowing the value of the Cookie "authentication" field, provided there is an active user session.