CVEvulnerability

CVE-2026-102552

8.2 HIGH Published 2026-10-16 Modified 2026-10-19 Official page ↗

Status: Awaiting Analysis
Published: 2026-10-16
Last modified: 2026-10-19
Assigner: ff89ba41-3aa1-4d27-914a-91399e9639e5
CVSS 4.0 (ff89ba41-3aa1-4d27-914a-91399e9639e5): 8.2 HIGH — CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1 (ff89ba41-3aa1-4d27-914a-91399e9639e5): 5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Weaknesses: CWE-940

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.

Weakness · CWE (1)

CWE-940 Improper Verification of Source of a Communication Channel weakness

References

https://aws.amazon.com/security/security-bulletins/2026-139-aws/ aws.amazon.com
https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.4.2 github.com
https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/security/advisories/GHSA-h4fw-pv82-p7h5 github.com

CVE-2026-102552

Description

Related

Weakness · CWE (1)

References