AC-series Devices is a technology platform tracked across 2 threat clusters and 2 intelligence report mentions on ThreatCluster. First observed November 19, 2025; most recent activity November 19, 2025.
AC-series Devices refer to ASUS AC-series routers, a class of consumer networking hardware. Recent reporting describes a WrtHug campaign that hijacked thousands of end-of-life ASUS AC-series routers, illustrating how outdated or unsupported home networking gear can be coerced into malicious use and posing risks to local networks and potential wider impact.
Asus has identified a critical authentication bypass vulnerability (CVE-2025-59367) affecting its DSL-AC51, DSL-AC750, and DSL-N16 router models. This flaw allows remote, unauthenticated attackers to gain full control…
Operation WrtHug has hijacked approximately 50,000 ASUS routers globally, primarily targeting end-of-life models. The campaign is believed to be linked to Chinese threat actors and exploits multiple vulnerabilities,…