static void ehci_update_frindex(EHCIState *ehci, int uframes)
{
    int i;

    if (!ehci_enabled(ehci) && ehci->pstate == EST_INACTIVE) {
        return;
    }

    for (i = 0; i < uframes; i++) {
        ehci->frindex++;

        if (ehci->frindex == 0x00002000) {
            ehci_raise_irq(ehci, USBSTS_FLR);
        }

        if (ehci->frindex == 0x00004000) {
            ehci_raise_irq(ehci, USBSTS_FLR);
            ehci->frindex = 0;
            if (ehci->usbsts_frindex >= 0x00004000) {
                ehci->usbsts_frindex -= 0x00004000;
            } else {
                ehci->usbsts_frindex = 0;
            }
        }
    }
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.