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Operation WrtHug Compromises 50,000+ ASUS Routers for Botnet

First seen 2 Dec 2025, 18:33 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

Operation WrtHug has compromised over 50,000 outdated ASUS routers globally, primarily affecting users in Taiwan, the U.S., and Russia. This operation has pulled these routers into a large malicious botnet, exploiting vulnerabilities in devices that are outdated or no longer supported. SecurityScorecard has reported on the scale and impact of this campaign.

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