Description
We have identified a buffer overflow issue allowing out-of-bounds write when processing LLMNR or mDNS queries with very long DNS names. This issue only affects systems using Buffer Allocation Scheme 1 with LLMNR or mDNS enabled.


Users should upgrade to the latest version and ensure any forked or derivative code is patched to incorporate the new fixes.
Published: 2025-06-04
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-16897 We have identified a buffer overflow issue allowing out-of-bounds write when processing LLMNR or mDNS queries with very long DNS names. This issue only affects systems using Buffer Allocation Scheme 1 with LLMNR or mDNS enabled. Users should upgrade to the latest version and ensure any forked or derivative code is patched to incorporate the new fixes.
History

Tue, 14 Oct 2025 18:15:00 +0000


Wed, 04 Jun 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 04 Jun 2025 17:15:00 +0000

Type Values Removed Values Added
Description We have identified a buffer overflow issue allowing out-of-bounds write when processing LLMNR or mDNS queries with very long DNS names. This issue only affects systems using Buffer Allocation Scheme 1 with LLMNR or mDNS enabled. Users should upgrade to the latest version and ensure any forked or derivative code is patched to incorporate the new fixes.
Title Out of Bounds Write in FreeRTOS-Plus-TCP
Weaknesses CWE-787
References
Metrics cvssV4_0

{'score': 7.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: AMZN

Published:

Updated: 2025-10-14T18:05:10.779Z

Reserved: 2025-06-04T15:11:43.065Z

Link: CVE-2025-5688

cve-icon Vulnrichment

Updated: 2025-06-04T18:12:05.388Z

cve-icon NVD

Status : Deferred

Published: 2025-06-04T17:15:29.330

Modified: 2026-04-15T00:35:42.020

Link: CVE-2025-5688

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-06-24T09:44:15Z

Weaknesses