CVE-2026-102552

5.9 MEDIUMpublic exploit available

Published 2026-10-16 · Updated 2026-10-16

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD 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.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Weaknesses

CWE-940

Public exploit & PoC references

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

All references

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

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

Related CVEs

UNSCOREDCVE-2026-101897PoC
HIGHCVE-2026-102117PoC
UNSCOREDCVE-2026-102511
HIGHCVE-2026-102551PoC
UNSCOREDCVE-2026-59786
HIGHCVE-2026-87705
MEDIUMCVE-2026-94590

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