    readUInt32BE: () => {
      if (!buffer || pos + 3 >= buffer.length)
        return;
      return (buffer[pos++] * 16777216)
             + (buffer[pos++] * 65536)
             + (buffer[pos++] * 256)
             + buffer[pos++];
    },
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.