CVE-2026-18769: Insufficient IOCTL access control allows local relocation of arbitrary physical memory
Published Nov 11, 2026
·Updated
A local low privileged attacker can move arbitrary physical memory content via TcRouter.sys because of exposed IOCTL function calls resulting in a full compromise of the affected devices.
Affected Software
1 affected component
TcRouter.sys
Event History
Nov 11, 2026
CVE Published
via MITRE·08:20 AM
Data Sourced
via MITRE·08:20 AM
DescriptionSeverityWeakness
Frequently Asked Questions
1
Does exploitation require user interaction?
No. The CVSS vector indicates no user interaction is required.
2
Is this directly exploitable over the network by an unauthenticated attacker?
The CVSS vector identifies this as a local attack and requires low privileges. It does not indicate direct network exploitation by an unauthenticated attacker.