CVE-2025-4997 | H3C R2+ProG up to 200R004 HTTP POST Request /goform/aspForm param denial of service

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.

This vulnerability is traded as CVE-2025-4997. It is possible to launch the attack remotely. Furthermore, there is an exploit available.

The vendor was contacted early about this disclosure but did not respond in any way.