A vulnerability, which was classified as critical, was found in H3C GR-3000AX up to V100R006. Affected is the function EnableIpv6/UpdateWanModeMulti/UpdateIpv6Params/EditWlanMacList/EditListSSID of the file /goform/aspForm of the component HTTP POST Request Handler. The manipulation of the argument param leads to buffer overflow. The attack needs to be initiated within the local network. The exploit has been disclosed to the public and may be used. It is recommended to upgrade the affected component. Other functions might be affected as well.

A vulnerability was found in H3C GR-3000AX V100R007L50. It has been classified as critical. Affected is the function UpdateWanParamsMulti/UpdateIpv6Params of the file /routing/goform/aspForm. The manipulation of the argument param leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor confirms the existence of this issue. Because they assess the risk as low, they do not have immediate plans for remediation.