The ASUS Wireless Router 4g-ac55u is a consumer-grade wireless router platform from ASUS.
Overview
The ASUS Wireless Router 4g-ac55u is a consumer-grade wireless router platform from ASUS. Recent reporting shows a WrtHug campaign hijacking thousands of end-of-life ASUS routers, highlighting the security risks of legacy devices and their potential use in botnets or traffic manipulation within home networks.
Related Threat Clusters
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Critical Auth Bypass Vulnerability in Asus DSL Routers
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…
14 articles · Updated November 16, 2025 -
Operation WrtHug Compromises Thousands of ASUS Routers Worldwide
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,…
9 articles · Updated November 21, 2025
Recent Intelligence Reports
- New WrtHug campaign hijacks thousands of end-of-life ASUS routers — Bleepingcomputer · November 19, 2025
- New WrtHug campaign hijacks thousands of end-of — Bleepingcomputer · November 19, 2025