How severe is CVE-2025-59374?

CVE-2025-59374 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-59374 being actively exploited?

Yes. CVE-2025-59374 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-12-17, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2025-59374?

CVE-2025-59374 affects Asus Live Update. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-59374?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2025-59374 have an EU (EUVD) identifier?

Yes. CVE-2025-59374 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203872. It is also flagged as exploited in the EUVD (since 2025-12-17).

When was CVE-2025-59374 published?

CVE-2025-59374 was published on 2025-12-17 and last updated on 2026-06-17.

CVE-2025-59374

CVE-2025-59374 is a critical-severity vulnerability in Asus Live Update with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2025-12-17). The underlying weakness is classified as CWE-506.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Yes — listed in CISA KEV (added 2025-12-17)
EU (EUVD) id: EUVD-2025-203872
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2025-12-17)
Weakness: CWE-506
Affected product: Asus Live Update
Published: 2025-12-17
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-59374?: "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.
How severe is CVE-2025-59374?: CVE-2025-59374 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-59374 being actively exploited?: Yes. CVE-2025-59374 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-12-17, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2025-59374?: CVE-2025-59374 affects Asus Live Update. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-59374?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2025-59374 have an EU (EUVD) identifier?: Yes. CVE-2025-59374 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203872. It is also flagged as exploited in the EUVD (since 2025-12-17).
When was CVE-2025-59374 published?: CVE-2025-59374 was published on 2025-12-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:asus:live_update:*:*:*:*:*:*:*:*

Other CWE-506 vulnerabilities

CVE-2026-28353 — Critical (CVSS 10.0): Trivy Vulnerability Scanner is a VS Code extension that helps find vulnerabilities. In Trivy VSCode Extension version…
CVE-2024-3094 — Critical (CVSS 10.0): Malicious code was discovered in the upstream tarballs of xz, starting with version 5.6.0. Through a series of…
CVE-2026-48027 — Critical (CVSS 9.8): Nx Console is the user interface for Nx & Lerna. On 19 May 2026, a malicious version of Nx Console, 18.95.0, was…
CVE-2026-8398 — Critical (CVSS 9.8): A supply chain attack compromised the official installation packages of DAEMON Tools Lite (Windows versions 12.5.0.2421…
CVE-2026-44484 — Critical (CVSS 9.8): PyTorch Lightning is a deep learning framework to pretrain and finetune AI models. Versions 2.6.2 and 2.6.2 have…
CVE-2026-6443 — Critical (CVSS 9.8): All plugins by Essentialplugin for WordPress are vulnerable to an injected backdoor in various versions. This is due to…

Browse all CWE-506 vulnerabilities →