Certain MOXA devices allow Authenticated Command Injection via /forms/web_importTFTP. This affects WAC-2004 1.7 WAC-1001 2.1 WAC-1001-T 2.1 OnCell G3470A-LTE-EU 1.7 OnCell G3470A-LTE-EU-T 1.7 TAP-323-EU-CT-T 1.3 TAP-323-US-CT-T 1.3 TAP-323-JP-CT-T 1.3 WDR-3124A-EU 2.3 WDR-3124A-EU-T 2.3 WDR-3124A-US 2.3 and WDR-3124A-US-T 2.3.