CVE-2026-40003

ZTE ZX297520V3 BootROM contains a vulnerability that allows arbitrary memory writes via USB. Attackers can exploit the lack of target address validation in the USB download mode to write data to any location in BootROM runtime memory, thereby overwriting the stack, hijacking the execution flow,...

The vulnerability of the power supply and bootrom memory systems in the Renesas Electronics RH850/F1L microcontroller allows a perpetrator to gain access to protected information.

The vulnerability of the power supply and the bootrom memory system of the Renesas Electronics RH850/F1L microcontroller is related to improper protection against voltage spikes and clock frequency failures. Exploiting this vulnerability can allow an attacker to gain access to the protected...