CVE-2026-75753: CWE-306: Missing Authentication for Critical Function in ASUS Router
Description
CVE-2026-75753 is a medium-severity vulnerability in certain ASUS routers where missing authentication for a critical function allows an unauthorized nearby user to send HTTP requests. This can cause the router to disclose device identification information and enter a specific mode that may prevent self-recovery under abnormal conditions.
CVSS v4.0
Score 5.3medium
Affected software
ASUS
Router
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-306) involves missing authentication for a critical function in certain ASUS routers. An unauthorized user within network proximity can send crafted HTTP requests to the device, resulting in the router returning device identification information and switching into a mode that impairs its ability to perform self-recovery when abnormal conditions occur. The CVSS 4.0 base score is 5.3, indicating a medium impact with low attack complexity and no privileges or user interaction required. No patch or remediation details are provided in the available data.
Potential Impact
An attacker can obtain device identification information without authentication and cause the router to enter a mode that may disable its self-recovery mechanisms during abnormal conditions. This could lead to reduced device availability or require manual intervention to restore normal operation.
Mitigation Recommendations
Patch status is not yet confirmed — check the ASUS Security Advisory for current remediation guidance. Until a fix is available, limit physical or network proximity access to the router to trusted users only.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ASUS
- Date Reserved
- 2026-08-18T01:44:19.003Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ad6cf9c2cdf04f656e99be8
Added to database: 10/20/2026, 02:19:08 UTC
Last enriched: 10/20/2026, 02:33:20 UTC
Last updated: 10/20/2026, 02:33:20 UTC
Views: 4
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.