CVE-2025-59374
CriticalExploitedPublic exploit"UNSUPPORTED WHEN ASSIGNED" Certain versions of the ASUS Live Update client were distributed with unauthorized modifications introduced through a supply chain compromise.
Published Dec 17, 2025 · Updated Sep 25, 2026
Key Facts
Patch immediately- CVE-2025-59374 is a critical-severity vulnerability (CVSS 9.3 v4) affecting Live Update (Asus).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Dec 17, 2025. Public exploit code is available.
- EPSS estimates a 1.2% probability of exploitation in the next 30 days.
- Fixed versions are available, including Live Update 3.6.8.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v4
9.3
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS (30-day exploit likelihood)
1.2%
Higher than 67.6% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2025-59374 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
"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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Dec 17, 2025 | Jan 7, 2026 | Not reported |
| Industry KEV feed | Dec 17, 2025 | Jan 7, 2026 | Not reported |
| CIRCL KEV | Dec 17, 2025 | Jan 7, 2026 | Not reported |
| ENISA EUVD | Dec 17, 2025 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Live UpdateAsus | >= before 3.6.6 | 3.6.8 |
Patched Releases
Live Update
3.6.8
Timeline
Publicly disclosed
Dec 17, 2025
Added to CISA KEV
Dec 17, 2025
Added to Industry KEV feed
Dec 17, 2025
Added to CIRCL KEV
Dec 17, 2025
Added to ENISA EUVD
Dec 17, 2025
Last updated
Sep 25, 2026
Weakness Type
- CWE-506 Embedded Malicious Code
References
FAQ
Common Questions.
"UNSUPPORTED WHEN ASSIGNED" Certain versions of the ASUS Live Update client were distributed with unauthorized modifications introduced through a supply chain compromise.
Affected: Live Update (Asus) versions >= before 3.6.6. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Dec 17, 2025.
Yes. It was added on Dec 17, 2025 with a federal remediation due date of Jan 7, 2026.
Public exploit code is available.
Fixed versions are available, including Live Update 3.6.8.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2025-59374 Running On Your Attack Surface?
Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.
Request A Demo