CVE-2026-102551

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Source

https://cve.org/CVERecord?id=CVE-2026-102551

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-102551.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-102551

Aliases

GHSA-pjq5-fqrr-g6pv

Published

2026-10-16T17:27:38Z

Modified

2026-10-17T02:47:51Z

Severity

9.2 (Critical) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N CVSS Calculator

Summary

Improper verification of the source of a communication channel in FreeRTOS-Plus-TCP Router Advertisement handling

Details

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.

Database specific

{
    "cna_assigner":  "AMZN",
    "cwe_ids":  [
        "CWE-940"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/102xxx/CVE-2026-102551.json"
}

References

Affected packages

Git / github.com/freertos/freertos-plus-tcp

Affected ranges

Type

GIT

Repo

https://github.com/freertos/freertos-plus-tcp

Events

Introduced

Last Affected

c12361095aca68aeed858f45d14395fbffa92c0d

Database specific

Show details

{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "last_affected":  "4.4.1"
        }
    ],
    "source":  "AFFECTED_FIELD"
}

Affected versions

V2.*

V2.3.0

V2.3.1

V2.3.2

V2.3.3

V2.3.4

V2.4.0

V4.*

V4.0.0-appsec

V4.4.0

V4.4.1

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-102551.json"