"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.
Conclusion & alert: CVE-2025-59374 is rated Critical Active Threat (91.1/100): CVSS Critical severity, with high exploitation likelihood (EPSS 20.63%, 96th percentile). Core evidence: CISA KEV confirms active exploitation (added 2025-12-17) affecting ASUS / Live Update. a weakness (CWE-506) Unauthenticated remote administrative access may be possible. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
: ASUS Live Update Embedded Malicious Code Vulnerability · CISA KEV detail
: 2025-12-17
: 2026-01-07
: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-16 | 25.18% | 20.63% | -4.55% |
| 2 | 2026-05-15 | 34.75% | 25.18% | -9.57% |
| 3 | 2026-04-18 | — | 34.75% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 4.0 | CRITICAL |
|
— | — | 54bf65a7-a193-42d2-b1ba-8e150d3c35e1 |
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| asus | live_update | < 3.6.8 | cpe:2.3:a:asus:live_update:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.asus.com/news/hqfgvuyz6uyayje1/ | Vendor Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-59374 | US Government Resource |