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Medium 5.3Published Oct 20, 2026

CVE-2026-75753Missing 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 identificati…

Updated under an hour ago ()

Does this affect you?

It affects ASUS Router. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
5.3 MEDIUM (v4.0, CNA)CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Weakness (CWE)
CWE-306
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
ASUS
NVD analysis
Awaiting Analysis
Record last updated
Oct 20, 2026
First seen by InfoSec Signals
Oct 20, 2026

Affected products

Affected products
ASUS Router
asus:router (from the name)
3.0.0.4.388 series
CNA record

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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