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Findings

Vulnerability · CVE-2025-2492

ASUS asus_firmware Authentication Bypass Using an Alternate Path or Channel

Published Apr 18, 2025 · corrected/updated Feb 24, 2026 · ASUS Router · evidence confidence very high

An improper authentication control vulnerability exists in AiCloud. This vulnerability can be triggered by a crafted request, potentially leading to unauthorized execution of functions. Refer to the 'ASUS Router AiCloud vulnerability' section on the ASUS Security Advisory for more information. Initial-access exploit intelligence.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2025-2492 is a critical public vulnerability record for ASUS Router. CISA lists it as known exploited. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether ASUS Router is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: ASUS AiCloud; ASUS Router 3.0.0.4_388 series (3.0.0.4_388 series). Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 9.2, EPSS 111.0%. CISA lists it as known exploited. Sources contributing to this record: cve_org, euvd, vulncheck_kev. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Confirmed in CISA KEV since Nov 19, 2025. Listed in CISA KEV and VulnCheck KEV.

  • Patch and remediation

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 19, 2025 · VulnCheck KEV

    Detected

    An improper authentication control vulnerability exists in AiCloud. This vulnerability can be triggered by a crafted request, potentially leading to unauthorized execution of functions. Refer to the 'ASUS Router AiCloud vulnerability' section on the ASUS Security Advisory for more information. Initial-access exploit intelligence.

  2. Nov 19, 2025 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  3. Feb 24, 2026 · EUVD

    Updated

    An improper authentication control vulnerability exists in AiCloud. This vulnerability can be triggered by a crafted request, potentially leading to unauthorized execution of functions. Refer to the 'ASUS Router AiCloud vulnerability' section on the ASUS Security Advisory for more information.

Affected

  • vendor ASUS AiCloudversion unspecified
  • vendor ASUS Router 3.0.0.4_388 series3.0.0.4_388 series

Sources

  • CVE.orgVulnerability recordCVE-2025-2492

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-11847

    An improper authentication control vulnerability exists in AiCloud. This vulnerability can be triggered by a crafted request, potentially leading to unauthorized execution of functions. Refer to the 'ASUS Router AiCloud vulnerability' section on the ASUS Security Advisory for mor

    euvd.enisa.europa.eu
  • VulnCheck KEVConfirmed exploitationCVE-2025-2492

    An improper authentication control vulnerability exists in AiCloud. This vulnerability can be triggered by a crafted request, potentially leading to unauthorized execution of functions. Refer to the 'ASUS Router AiCloud vulnerability' section on the ASUS Security Advisory for mor

    vulncheck.com

References