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CVE-2026-13385

CRITICALCVSS 9.5/10EPSS 0.14%

Last modified

CVE-2026-13385 is a critical-severity vulnerability rated 9.5/10 on the CVSS scale. 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.. EPSS estimates a 0.14% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 4.0
9.5/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
0.14%

4.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

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

VendorProductVersions
ASUSRouter3.0.0.4_386 series; 3.0.0.4_388 series; 3.0.0.6_102 series

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-13385?
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.
How severe is CVE-2026-13385?
CVE-2026-13385 has a CVSS score of 9.5/10 (CRITICAL severity). The EPSS model estimates a 0.14% probability of exploitation in the next 30 days.
How do I fix CVE-2026-13385?
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