CVE-2026-102551
Improper verification of the source of a communication channel in the IPv6 Router Advertisement handler in Amazon FreeRTOS-Plus-TCP before V4.4.2 might allow a remote third-party to influence an endpoint's IPv6 default gateway, on-link prefix, and address configuration via a crafted Router Advertisement. To remediate this issue, users should upgrade to version V4.4.2.
Published:Oct 16, 2026
Last Modified:Oct 19, 2026
EPS:Oct 16, 2026
EPSS Score:0.00273
CVSS Score:7.7
Affected Products
Vendor
Product
Action
Vendor
Freertos
Product
Freertos-plus-tcp
Freertos
Freertos-plus-tcp
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
