Vulnerability · CVE-2025-2492
ASUS asus_firmware Authentication Bypass Using an Alternate Path or Channel
Published Apr 18, 2025 · catalog updated Feb 24, 2026 · ASUS Router
Patch now
CVE-2025-2492 is in the CISA known-exploited catalog. Confirm ASUS Router against the vendor advisory and apply that fix. The CVSS score does not change the priority.
- Severity
- Critical9.2
- Known exploitation
- CISA KEV and VulnCheck KEV
- EPSS
- 1.11%
- Remediation
- Remediation guidance
- Affected products
- vendor ASUS AiCloud · vendor ASUS Router 3.0.0.4_388 series
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor ASUS AiCloudversion unspecified
- vendor ASUS Router 3.0.0.4_388 series3.0.0.4_388 series
How to fix CVE-2025-2492
Recommended remediation
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2025-2492 is in the CISA known-exploited catalog. Confirm ASUS Router against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Which versions are affected?
Compare what you have installed with ASUS Router 3.0.0.4_388 series 3.0.0.4_388 series. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
What should an analyst verify?
No weakness class is stored. EPSS 1.11%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
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.
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.
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.
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.
Sources
- CVE.orgVulnerability recordCVE-2025-2492
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-2492
30-day exploitation probability 1.1%
first.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
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.