Affected: Mitsubishi Electric Corporation MELSEC-F Series FX3U-16MT/ES, Mitsubishi Electric Corporation MELSEC-F Series FX3U-32MT/ES, Mitsubishi Electric Corporation MELSEC-F Series FX3U-48MT/ES, Mitsubishi Electric Corporation MELSEC-F Series FX3U-64MT/ES, Mitsubishi Electric Corporation MELSEC-F Series FX3U-80MT/ES, Mitsubishi Electric Corporation MELSEC-F Series FX3U-128MT/ES, Mitsubishi Electric Corporation MELSEC-F Series FX3U-16MR/ES, Mitsubishi Electric Corporation MELSEC-F Series FX3U-32MR/ES, Mitsubishi Electric Corporation MELSEC-F Series FX3U-48MR/ES, Mitsubishi Electric Corporation MELSEC-F Series FX3U-64MR/ES and 273 more

Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation MELSEC-F Series CPU modules, MELSEC iQ-F Series, MELSEC iQ-R series CPU modules, MELSEC iQ-R series, MELSEC iQ-L series, MELSEC Q series, MELSEC-L series, Mitsubishi Electric CNC M800V/M80V series, Mitsubishi Electric CNC M800/M80/E80 series and Mitsubishi Electric CNC M700V/M70V/E70 series allows a remote unauthenticated attacker to execute arbitrary commands by sending specific packets to the affected products. This could lead to disclose or tamper with information by reading or writing control programs, or cause a denial-of-service (DoS) condition on the products by resetting the memory contents of the products to factory settings or resetting the products remotely.

Arbitrary command execution vulnerability due to missing authentication for critical function exists in Mitsubishi Electric proprietary protocol communication used in the affected products.