A vulnerability, which was classified as critical , has been found in Acer Connect M6E 5G Portable WiFi Router up to M6E_AI_1.00.000019 . This affects an unknown part of the component API Endpoint . Performing a manipulation results in improper authentication. This vulnerability is identified as CVE-2026-49203 . The attack can only be performed from the local network. There is not any exploit available.