CVE-2026-75753

MEDIUMCVSS 5.3/10EPSS 0.19%

Last modified

CVE-2026-75753 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Missing Authentication for a Critical Function  in certain ASUS routers allows an unauthorized nearby user to send specific commands via HTTP requests, causing the router to return device identification information and switch into a specific mode. As a result, when the router encounters abnormal conditions, it may be unable to perform self-recovery. Refer to the ' Security Update for ASUS Router Firmware' section on the ASUS Security Advisory for more information.. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

Description

Missing Authentication for a Critical Function  in certain ASUS routers allows an unauthorized nearby user to send specific commands via HTTP requests, causing the router to return device identification information and switch into a specific mode. As a result, when the router encounters abnormal conditions, it may be unable to perform self-recovery. Refer to the ' Security Update for ASUS Router Firmware' section on the ASUS Security Advisory for more information.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
ASUSRouter3.0.0.4.388 series

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-75753?
Missing Authentication for a Critical Function  in certain ASUS routers allows an unauthorized nearby user to send specific commands via HTTP requests, causing the router to return device identification information and switch into a specific mode. As a result, when the router encounters abnormal conditions, it may be unable to perform self-recovery. Refer to the ' Security Update for ASUS Router Firmware' section on the ASUS Security Advisory for more information.
How severe is CVE-2026-75753?
CVE-2026-75753 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.
How do I fix CVE-2026-75753?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST