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WrtHug Malware Campaign Compromises Thousands of ASUS Routers

First seen 2 Dec 2025, 18:33 UTC • •17.8

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ThreatCluster •March 12, 2026 at 13:27 UTC

A massive hacking operation known as 'WrtHug' has compromised over 50,000 ASUS routers worldwide, primarily targeting discontinued devices with known vulnerabilities. The campaign is attributed to a Chinese threat actor, exploiting these flaws to facilitate cyberespionage activities.

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Updated 241d ago How this analysis works

Threat Graph

6 entities, 4 inferred relationships (STIX 2.1).

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Technique (2)

Data Breach
Malware

Campaign (1)

WrtHug Malware Campaign

Organization (1)

Asus

Malware (1)

WrtHug

Affected Platform (1)

Asus Routers

Relationships

WrtHug Malware Campaign uses WrtHug
WrtHug targets Asus
Data Breach targets Asus Routers
Malware targets Asus Routers

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WrtHug Malware Campaign Compromises Thousands of ASUS Routers

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Extracted Entities (7)

Attack Types (2)

Malware (1)

Campaigns (1)

Companies (1)

Countries (1)

Platforms (1)