A vulnerability, which was classified as problematic, was found in H3C R2+ProG up to 200R004. Affected is the function UpdateWanParams/AddMacList/EditMacList/AddWlanMacList/EditWlanMacList/Edit_BasicSSID/Edit_GuestSSIDFor2P4G/Edit_BasicSSID_5G/SetAPInfoById of the file /goform/aspForm of the component HTTP POST Request Handler. The manipulation of the argument param leads to denial of service. It is possible to launch the attack remotely. 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.