November 14, 2026

CVE Watchtower

CVE-2026-88709ASUS Router firmware OS Command Injection

NVD

Vulnerability Summary

Improper
neutralization of special elements used in an OS command in certain
ASUS Router firmware allows an user with physical access
to
insert a USB device containing a specially crafted directory name, potentially
executing arbitrary commands with root privileges.
Refer to the ' Security Update for ASUS Router Firmware ' section on the ASUS Security Advisory for more information.
Severity Level
HIGH(7.0)
Published Date
Nov 10, 2026
Last Modified
Nov 10, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.36%Probability
Root Weakness (CWE)
CWE-78: OS Command Injection ↗
The software constructs all or part of an OS command using externally-influenced input, but does not properly neutralize special elements.
CVSS v4.0 Base Metrics — Score 7.0 (HIGH)
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Attack VectorPhysical
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredNone
User InteractionNone
Confidentiality (Vulnerable System)High
Integrity (Vulnerable System)High
Availability (Vulnerable System)High
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None

Affected & Patched Versions

Affected Versions
  • ASUS Router firmware 3.0.0.4.386 series
  • ASUS Router firmware 3.0.0.4.388 series
  • ASUS Router firmware 3.0.0.6.102 series
Patched Versions
No patched version published yet
Until a fix ships, reduce exposure:
  • Restrict access to the affected service or interface to trusted networks.
  • Disable the affected feature if you do not need it.
  • Watch the vendor advisory for a firmware or software update.

What to do

Plan remediation soon. No exploitation is confirmed yet, but the severity is high.

  1. Check whether you run ASUS Router firmware and which version.
  2. No patched version is listed yet. Limit access to the affected service to trusted networks, and disable the feature if you can.
  3. Subscribe to the vendor advisory so you learn when a fix ships.

Timeline

  • Nov 10, 2026Published
  • Nov 10, 2026Record last modified

Score, severity and exploitation changes are tracked from the day Watchtower started logging them.

Get notified about new ASUS Router firmware CVEsYou are reading CVE-2026-88709. Get an email when KEV listings, exploits or new CVEs match your stack.
Set up CVE alerts

More ASUS Router firmware CVEs

External References

Data last checked: Nov 14, 2026 01:09 UTC