@ppt3 I see that you're using a regional FW release (DE). In this particular case it's best to contact your local support for advise.

@Abderr77 According to the support portal there's an intermediate FW version that you have to go through: If your target is TD-W8961N(EU)_V5_230928 try downgrading to the intermediate version first...

@KarloVranjes It appears that there's a newer FW release for your modem router - Archer VR2100v(EU)_V1_1.16.0 Build 260124 - here. Have you considered updating the VR2100v FW and test if that...

@ACCSA_FER If you have (US) region FW try this FW release - Archer C80(US)_V2.20_1.14.3 Build 241025.

@Pure69 Correct. Although, the issue may not be related to the TP-Link router FW. If it is related to the router FW, you should wait for the next FW release (beta or official).

@joergent Based on available forum discussions, the message: MSG WARNU#647267 appears as an entry in the system logs of TP-Link network devices, such as the TL-WA901N, often appearing alongside...