Multiple cross-site request forgery (CSRF) vulnerabilities in Huawei WS331a routers with software before WS331a-10 V100R001C01B112 allow remote attackers to hijack the authentication of administrators for requests that (1) restore factory settings or (2) reboot the device via unspecified vectors.

The management interface of Huawei WS331a routers with software before WS331a-10 V100R001C01B112 allows remote attackers to bypass authentication and obtain administrative access by sending "special packages" to the LAN interface.