CVE-2026-102552EPSS p13.2%
CVE-2026-102552CVE-2026-102552
Description
Improper verification of the source of a communication channel in the DNS resolver in Amazon FreeRTOS-Plus-TCP before V4.4.2 might allow remote third-party to insert a chosen address into the device's DNS cache via a forged DNS reply.
To remediate this issue, users should upgrade to version V4.4.2 and enable ipconfigDNS_CHECK_REPLY_SOURCE_IP.
Scoring
| CVSS | 5.9 () |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
| EPSS | 0.23% probability of exploitation · percentile 13.2% · 2026-10-17T12:00:28Z |
| Last modified | 2026-10-16 |