The "interesting paper" you are likely referring to is the research detailing how the and firmware verification mechanisms were bypassed. Manipuri Story Collection By Luxmi An Hot - Yourself In The
The mention of typically refers to a specific, high-impact vulnerability disclosure (often associated with the CVE-2019-3568 family or similar research) that fundamentally broke the security model of ZTE's optical network terminals (ONTs). Erbil Master Plan Dwg [FREE]