November 14, 2026

CVE Watchtower

CVE-2026-88707ASUS Router firmware Out-of-bounds Write

NVD

Vulnerability Summary

An
out-of-bounds write in certain ASUS Router firmware
allows an unauthenticated nearby user to send an HTTP request containing
parameters that exceed the buffer length, potentially overwriting other memory
regions or causing the system to crash.
Refer to the ' Security Update for ASUS Router Firmware ' section on the ASUS Security Advisory for more information.
Severity Level
HIGH(7.1)
Published Date
Nov 10, 2026
Last Modified
Nov 10, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.17%Probability
Root Weakness (CWE)
CWE-787: Out-of-bounds Write ↗
The product writes data past the end, or before the beginning, of the intended buffer.
CVSS v4.0 Base Metrics — Score 7.1 (HIGH)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
Attack VectorAdjacent
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredNone
User InteractionNone
Confidentiality (Vulnerable System)None
Integrity (Vulnerable System)Low
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.

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External References

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