MEDIUMCVSS v3.1 5.9Vulnerability

CVE-2026-102552

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.

Properties

Severity
MEDIUM
Nvd fetched at
2026-10-20T21:14:08.448323+00:00
Epss score
0.00233
Cvss severity
MEDIUM
Cvss score
5.9
Retrieved at
2026-10-21T01:24:48+00:00
Last source
FIRST EPSS
Score
5.9
Cvss version
3.1
Cve id
CVE-2026-102552
Cvss vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
First seen by Signal
2026-10-18T13:39:03+00:00
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Published at
2026-10-16T18:17:14.893
Last modified
2026-10-19T13:16:53.503
Epss percentile
0.13346

Related Entities (1)

HAS_WEAKNESS (1)

→[Weakness]Improper Verification of Source of a Communication Channel

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CVE-2026-102552 (CVSS v3.1 5.9) — Ninja Signal Threat Intelligence | Ninja Signal