Urgent problem with VPN WireGuard

[rari]

Hello, I have an urgent problem. I configured the VPN with Wireguard Server on a GL-iNet MT300n v2. The connection is successful; I can even remotely access the portal at the address 192.168.8.1, so the traffic with DMZ from the router to GL-iNet is successful. The problem is that I cannot reach the PCs on the network (192.168.5.0/24) even though I can reach the provider's modem. My configuration is:

[Interface]
Address = 10.0.0.2/32
ListenPort = 9872
PrivateKey = xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx=
DNS = 64.6.64.6

[Peer]
AllowedIPs = 0.0.0.0/0,::/0
Endpoint = 47.53.214.30:51820
PersistentKeepalive = 25
PublicKey = xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

I have already enabled the "Allow access to the local network" flag on the portal.

[admon]

Please read How to troubleshoot WireGuard to check for the most common mistakes.

[rari]

Here's the translation:

My problem is not there. I have correctly set up the routing from the modem to the GL-iNet, and it works. Once I reach the GL-iNet with the VPN, I cannot communicate with the devices on the network except for the gateway/modem 192.168.5.1.

I found a similar case, but I did not understand what needs to be done.