China Mobile P22g-CIac Telnet Service improper authorization

A vulnerability was found in China Mobile P22g-CIac, ZXWT-MIG-P4G4V, ZXWT-MIG-P8G8V, GT3200-4G4P and GT3200-8G8P up to 20250305. It has been declared as problematic. This vulnerability affects unknown code of the component Telnet Service. The manipulation leads to improper authorization. The attack can only be initiated within the local network. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.