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

"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.

9.3 CRITICALEPSS 1.20%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-09-25 23:10 UTC

OverviewCVSS details

9.3CRITICALCVSS 4.0

Score source: ASUS (CNA)
NVD status: Analyzed
Published: Dec 17, 2025
Assigner: ASUS

Affected

live update (ASUS)

Versions: before 3.6.6

Exploitation

Public exploit: None listed
CISA KEV: Listed · Dec 17, 2025
KEV due date: Jan 7, 2026
Ransomware use: Unknown
SSVC: Exploitation active · Automatable yes · Impact total

EPSS · FIRST, scored Nov 8

1.20%chance of exploitation in 30 days

Higher than 68.54% of CVEs

CVSS 4.0 · ASUS (CNA)

9.3Critical

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Attack vector: Network
Attack complexity: Low
Attack requirements: None
Privileges required: None
User interaction: None
Confidentiality impact: High
Integrity impact: High
Availability impact: High
Confidentiality (other systems): None
Integrity (other systems): None
Availability (other systems): None

CVSS 3.1 · NVD

9.8Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
9.3	CRITICAL	4.0ASUS (CNA)	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
9.8	CRITICAL	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA required action

⚡ Known exploited · remediation due Jan 7, 2026

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Details

CVE ID: CVE-2025-59374
Status: Analyzed
Assigner (CNA): ASUS
Published: Dec 17, 2025
Last modified: 2026-09-25 23:10 UTC
Weaknesses: CWE-506 · Embedded Malicious Code

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-09 11:15 UTC.