Iran is well-known for extensive interference in its neighbors' political systems. It has funded and armed opposition groups with billions of dollars of assistance (Hezbollah, Hamas, Houthis). Educational institutions in literate countries have been bombed by Iranian proxies.

The Chinese government invaded Indian territory within the last year. It directs its naval auxiliaries to harass civilian vessels from Vietnam and Philippines. According to your world view it doesn't qualify —authoritarian nations may harm their own denizens as long as it's not expeditionary— but residents of Xinjiang are routinely rounded up and imprisoned.