You may not be targeted but a vulnerable and then compromised small office router modem would be a step along the way for a bigger attack by Chinese hackers:
This is why your network hardware, no matter how simple your network set up is, needs to be a monitored part of your cyber security plan.
Clive Catton MSc (Cyber Security) – by-line and other articles
My advice: Either you or your IT support need to check whether these issues impact your systems. You need to have a master document that details your systems, hardware, software, online, networks, back-ups, suppliers etc – so when cyber security (or operational) issues arise you and your support teams can quickly check if you are affected. From there you can take fast, effective action.