CVE-2025-59374: ASUS Live Update Embedded Malicious Code Vulnerability

Critical severity, CVSS 9.8. Actively exploited: in CISA KEV since 2025-12-17. EPSS: 1.2% chance of exploitation in the next 30 days.

"UNSUPPORTED WHEN ASSIGNED" Certain versions of the ASUS Live Update client were distributed with unauthorized modifications introduced through a supply chain compromise. The modified builds could cause devices meeting specific targeting conditions to perform unintended actions. Only devices that met these conditions and installed the compromised versions were affected. The Live Update client has already reached End-of-Support (EOS) in October 2021, and no currently supported devices or products are affected by this issue.

Affected products

• ASUS Live Update: before 3.6.8 (fixed in 3.6.8)

Published 2025-12-17. Last modified 2026-09-25.