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Critical 9.5Published Jul 14, 2026

CVE-2026-13385An Improper Validation of Integrity Check Value and Improper Certificate Validation in certain ASUS router models allows a remote man-in-the-middle(MITM) user to make the router download and execute…

Updated under an hour ago ()

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

No exploitation reported and no EPSS estimate yet.

An Improper Validation of Integrity Check Value and Improper Certificate Validation in certain ASUS router models allows a remote man-in-the-middle(MITM) user to make the router download and execute arbitrary command via a spoofed server. Refer to the '  Security Update for ASUS Router Firmware  ' section on the ASUS Security Advisory for more information.

CVSS
9.5 CRITICAL (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Weakness (CWE)
CWE-354, CWE-295
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
Deferred
Record last updated
Jul 29, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
ASUS Router
asus:router (from the name)
3.0.0.4_386 series; 3.0.0.4_388 series; 3.0.0.6_102 series
CNA record

References

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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