Threat database

The USR-W610 RS232/485 to Wi-Fi/Ethernet Converter from Jinan USR IOT Technology Limited contains plaintext administrative credentials embedded in its firmware. These credentials can be extracted by analyzing the firmware image, allowing unauthorized authentication to device services. This vulnerability is classified as CWE-798 and has a critical severity with a CVSS score of 9.8. No official patch or remediation guidance is currently available from the vendor. Exploitation could lead to full compromise of confidentiality, integrity, and availability of the device.

The Wi-Fi router is vulnerable to de-authentication attacks due to the absence of management frame protection, allowing forged deauthentication and disassociation frames to be broadcast without authentication or encryption. An attacker can use this to cause unauthorized disruptions and create a denial-of-service condition.

The web management interface of the device renders the passwords in a plaintext input field. The current password is directly visible to anyone with access to the UI, potentially exposing administrator credentials to unauthorized observation via shoulder surfing, screenshots, or browser form caching.

The embedded web interface of the device does not support HTTPS/TLS for authentication and uses HTTP Basic Authentication. Traffic is encoded but not encrypted, exposing user credentials to passive interception by attackers on the same network.

The web management interface of the device allows the administrator username and password to be set to blank values. Once applied, the device permits authentication with empty credentials over the web management interface and Telnet service. This effectively disables authentication across all critical management channels, allowing any network-adjacent attacker to gain full administrative control without credentials.